Merge "Close AccountManagerService.session after timeout." into rvc-dev am: 6faf0345e4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25787790

Change-Id: I81fef3fa1215ae6499c495ba3b2655802dd7eb2a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>