Merge "Revoke any open fds when deleting a session/blob." into rvc-dev am: d06ebaeeed am: 2b6e4fd231 am: 5a9309a787 am: be0f671443

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11990986

Change-Id: I71bb110dbe850990cd2e9829b2a5c6db0511dd93