Merge "Use monotonic system time instead of gettimeofday" into tm-dev am: 196cbfb4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/17783343



Change-Id: Ic46f5c5ae1dca140d8f7c2a017ad1cba2be1943d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>