Merge "Restrict negative and integer overflow timestamps in the WebmFrameThread" into main am: 57a9016a am: 0729a13c am: 94fd7819

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2809185



Change-Id: I3d07b55a76fa3243ec0d93ffc139cea985f331b5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>