[automerger skipped] Merge "VT: Retain RTP sequence number between SFR stop and start" am: b2bb385e am: ad9882e7 am: c908f202 -s ours

am skip reason: skipped by user lajos

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/953063

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib9ac722e79180a1b5db407a082058055fad7930d