Merge "Prevent updating of seekbar text when not scrubbing." into tm-dev am: b4a4c3b3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18715231



Change-Id: I8c02b1aa26ade28b21f052385a299850a0abbbdf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>