Merge "MelReporter: Add clang thread-safety" into udc-dev-plus-aosp am: b01274b7ae

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/24898128

Change-Id: I6b353798ec582bf6164ff7b3938517a2fa5129ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>