[automerger skipped] [media]: refactoring AudioSystem.cpp to C++ style am:...

[automerger skipped] [media]: refactoring AudioSystem.cpp to C++ style am: 4b107fa0 am: b685cd58 am: c9fe1ad7 -s ours am: 3e541be2 -s ours

am skip reason: Merged-In I6e61ba1cd8ce279a69389e7cc66f7961d92f8c35 with SHA-1 79586a4c is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2619399



Change-Id: Ic4a6c818dbdbe74e8081f6d085cbab8e3ed6a2c9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>