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

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



Change-Id: I2455e53ab0c73cf9857f271dc3c5573f3012bd0d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>