Merge "RPC Binder: dropping all binders drops session" am: 2b420f6bac am: a8a5e06ca8

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2471756

Change-Id: Ibfe7998d2595173b4cddeaff2795a316f6b62764
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>