Merge "Use monotonic system time instead of gettimeofday" into tm-dev am: 196cbfb4 am: 51c2a202

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



Change-Id: I067639ae968f7ac7753527674784dee45e9152fe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>