Merge "Merge "Preemptively clear buffer reference if snapshot is unused" into...
Merge "Merge "Preemptively clear buffer reference if snapshot is unused" into qt-dev am: d2ff5562" into qt-dev-plus-aosp
am: ec07c95b
Change-Id: I632d6d7f537219800f0138d56f5865bedb0fa0d2