[BNNS] Chromium crashed for the Inception v2 and DenseNet models

[Christywl]

Test Env:
Chromium Version: nightly build ee68e8f (79.0.3917.0)
Platform: macOS 10.14.5

Expected Result:
The examples should work.

Actual Result:

Received signal 11 SEGV_MAPERR 7fd77c700000
 [0x0001193835d9]
 [0x0001192cdea3]
 [0x000119383501]
 [0x7fff68477b5d]
 [0x00011938cef5]
 [0x0001179c5076]
 [0x0001179d0773]
 [0x0001179c3156]
 [0x0001194a338b]
 [0x0001194a820e]
 [0x0001194a7a94]
 [0x00011949fc36]
 [0x0001194a05ce]
 [0x0001194b8fed]
 [0x00011932db4f]
 [0x0001193491e2]
 [0x000119348d15]
 [0x00011938c15d]
 [0x00011934895a]
 [0x0001193502ea]
 [0x000119350144]
 [0x00011938c677]
 [0x7fff684802eb]
 [0x7fff68483249]
 [0x7fff6847f40d]
[end of stack trace]
[0219/152747.098170:WARNING:process_memory_mac.cc(93)] mach_vm_read(0x7ffee821f000, 0x2000): (os/kern) invalid address (1)
[0219/152747.169585:WARNING:system_snapshot_mac.cc(42)] sysctlbyname kern.nx: No such file or directory (2)

How to Reproduce:

1. Launch Chromium and visit https://intel.github.io/webml-polyfill/examples/image_classification

2. Select FAST_SINGLE_ANSWER

3. Select one unsupported model:

   • Inception v2(ONNX)
   • DenseNet 121(ONNX)
   • DenseNet 121(OpenVINO)