Merge "Add a limit on no. of active sessions, committed/leased blobs." into rvc-dev am: c9f2fdc0ba am: 4bcdcbcb90 am: 94d8d12c7a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11978930

Change-Id: I792fed9925d06ec2258b4798d7fe01efe4094de0