[rtsan][NFC] Rename *interceptors.cpp to *interceptors_posix.cpp (#112935)

Done in preparation of exploring rtsan on windows.

Author: cjappl

compiler-rt/lib/rtsan/CMakeLists.txt

@@ -5,7 +5,7 @@ set(RTSAN_CXX_SOURCES
   rtsan_context.cpp
   rtsan_diagnostics.cpp
   rtsan_flags.cpp
-  rtsan_interceptors.cpp
+  rtsan_interceptors_posix.cpp
   rtsan_stats.cpp
   rtsan_suppressions.cpp
   )

compiler-rt/lib/rtsan/rtsan_interceptors.cpp renamed to compiler-rt/lib/rtsan/rtsan_interceptors_posix.cpp

@@ -16,7 +16,7 @@ set(RTSAN_UNITTEST_CFLAGS
 
 set(RTSAN_INST_TEST_SOURCES
     rtsan_test_functional.cpp
-    rtsan_test_interceptors.cpp
+    rtsan_test_interceptors_posix.cpp
     rtsan_test_main.cpp)
 
 set(RTSAN_NOINST_TEST_SOURCES