[automerger skipped] [media]: refactoring AudioSystem.cpp to C++ style, part 2...

[automerger skipped] [media]: refactoring AudioSystem.cpp to C++ style, part 2 am: 8e1146c0 am: 14cd700d am: 843a19ba -s ours am: 4de98de6 -s ours am: 727249e2 -s ours am: 6f7d33bb -s ours

am skip reason: Merged-In Ie4161bb9376ec6aabc45a5348226bbecf30ab775 with SHA-1 09bfc14f is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2624409



Change-Id: I87b65fa5621479bbfa6011a0173709df60eac04a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>