#undef ATRACE_TAG to fix compile error

aidl tag tracing was enabled by default for cpp backends:
aosp/2190022. This defines ATRACE_TAG in some of the include files.

To fix compile error '-Wmacro-redefined', #undef ATRACE_TAG and redefine

Test: m
Bug: 161393989
Change-Id: Ib12e375ec29151d25474cca147dd4d21d127ee84
diff --git a/media/libaaudio/src/client/AudioStreamInternalCapture.cpp b/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
index 1efccb1..f5cc2be 100644
--- a/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
+++ b/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
@@ -25,6 +25,7 @@
 #include "client/AudioStreamInternalCapture.h"
 #include "utility/AudioClock.h"
 
+#undef ATRACE_TAG
 #define ATRACE_TAG ATRACE_TAG_AUDIO
 #include <utils/Trace.h>