Reduce verbose logging output by bazel

Signed-off-by: Yong Tang <[email protected]>

Author: yongtang

.travis.yml

@@ -27,7 +27,7 @@ matrix:
         - bash -x ${TRAVIS_BUILD_DIR}/.travis/python.configure.sh
         - pip install pyarrow==0.11.1
       script:
-        - bazel test --show_progress=no --spawn_strategy standalone -s --verbose_failures --test_output=errors -- //tensorflow_io/...
+        - bazel test --noshow_progress --noshow_loading_progress --spawn_strategy standalone --verbose_failures --test_output=errors -- //tensorflow_io/...
     - name: "Ubuntu 14.04 Python 3.4"
       dist: trusty
       language: python
@@ -37,7 +37,7 @@ matrix:
         - sudo apt-get install -y -qq libav-tools
         - bash -x ${TRAVIS_BUILD_DIR}/.travis/python.configure.sh
       script:
-        - bazel test --show_progress=no --spawn_strategy standalone -s --verbose_failures --test_output=errors -- //tensorflow_io/...
+        - bazel test --noshow_progress --noshow_loading_progress --spawn_strategy standalone --verbose_failures --test_output=errors -- //tensorflow_io/...
     - name: "Ubuntu 14.04 Python 3.5"
       dist: trusty
       language: python
@@ -48,7 +48,7 @@ matrix:
         - bash -x ${TRAVIS_BUILD_DIR}/.travis/python.configure.sh
         - pip install pyarrow==0.11.1
       script:
-        - bazel test --show_progress=no --spawn_strategy standalone -s --verbose_failures --test_output=errors -- //tensorflow_io/...
+        - bazel test --noshow_progress --noshow_loading_progress --spawn_strategy standalone --verbose_failures --test_output=errors -- //tensorflow_io/...
     - name: "Ubuntu 14.04 Python 3.6"
       dist: trusty
       language: python
@@ -59,7 +59,7 @@ matrix:
         - bash -x ${TRAVIS_BUILD_DIR}/.travis/python.configure.sh
         - pip install pyarrow==0.11.1
       script:
-        - bazel test --show_progress=no --spawn_strategy standalone -s --verbose_failures --test_output=errors -- //tensorflow_io/...
+        - bazel test --noshow_progress --noshow_loading_progress --spawn_strategy standalone --verbose_failures --test_output=errors -- //tensorflow_io/...
     - name: "Ubuntu 16.04 Python 2.7 (Video Only)"
       dist: xenial
       language: python
@@ -69,7 +69,7 @@ matrix:
         - sudo apt-get install -y -qq libav-tools
         - bash -x ${TRAVIS_BUILD_DIR}/.travis/python.configure.sh
       script:
-        - bazel test --show_progress=no --spawn_strategy standalone -s --verbose_failures --test_output=errors -- //tensorflow_io/video:video_py_test
+        - bazel test --noshow_progress --noshow_loading_progress --spawn_strategy standalone --verbose_failures --test_output=errors -- //tensorflow_io/video:video_py_test
     - name: "Ubuntu 16.04 Python 3.5 (Video Only)"
       dist: xenial
       language: python
@@ -79,21 +79,21 @@ matrix:
         - sudo apt-get install -y -qq libav-tools
         - bash -x ${TRAVIS_BUILD_DIR}/.travis/python.configure.sh
       script:
-        - bazel test --show_progress=no --spawn_strategy standalone -s --verbose_failures --test_output=errors -- //tensorflow_io/video:video_py_test
+        - bazel test --noshow_progress --noshow_loading_progress --spawn_strategy standalone --verbose_failures --test_output=errors -- //tensorflow_io/video:video_py_test
     - name: "Ubuntu 18.04 Python 2.7 (Video Only)"
       dist: trusty
       language: python
       python:
         - 2.7
       script:
-        - docker run -i -t -e PYTHON_VERSION= -e BAZEL_VERSION=0.20.0 -e BAZEL_OS=linux --rm -v $PWD:/workspace -w /workspace --net=host ubuntu:18.04 bash -x -c ".travis/python.ubuntu.18.04.sh && apt-get -y -qq install libavformat57 libavcodec57 libavutil55 libswscale4 && bazel test --spawn_strategy standalone -s --verbose_failures -- //tensorflow_io/video:video_py_test"
+        - docker run -i -t -e PYTHON_VERSION= -e BAZEL_VERSION=0.20.0 -e BAZEL_OS=linux --rm -v $PWD:/workspace -w /workspace --net=host ubuntu:18.04 bash -x -c ".travis/python.ubuntu.18.04.sh && apt-get -y -qq install libavformat57 libavcodec57 libavutil55 libswscale4 && bazel test --noshow_progress --noshow_loading_progress --spawn_strategy standalone --verbose_failures -- //tensorflow_io/video:video_py_test"
     - name: "Ubuntu 18.04 Python 3.6 (Video Only)"
       dist: trusty
       language: python
       python:
         - 3.6
       script:
-        - docker run -i -t -e PYTHON_VERSION=3 -e BAZEL_VERSION=0.20.0 -e BAZEL_OS=linux --rm -v $PWD:/workspace -w /workspace --net=host ubuntu:18.04 bash -x -c ".travis/python.ubuntu.18.04.sh && apt-get -y -qq install libavformat57 libavcodec57 libavutil55 libswscale4 && bazel test --spawn_strategy standalone -s --verbose_failures -- //tensorflow_io/video:video_py_test"
+        - docker run -i -t -e PYTHON_VERSION=3 -e BAZEL_VERSION=0.20.0 -e BAZEL_OS=linux --rm -v $PWD:/workspace -w /workspace --net=host ubuntu:18.04 bash -x -c ".travis/python.ubuntu.18.04.sh && apt-get -y -qq install libavformat57 libavcodec57 libavutil55 libswscale4 && bazel test --noshow_progress --noshow_loading_progress --spawn_strategy standalone --verbose_failures -- //tensorflow_io/video:video_py_test"
     - name: "Ubuntu 14.04 R 3.2"
       dist: trusty
       language: r