Merge "Use separate LogBuffer for QS config changes" into tm-qpr-dev am: 614f8384 am: 9a553c15

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22118734



Change-Id: If6b54b8d95e0c2b7068d2d6aafe21035f54d166f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>