Merge "Invalidate autofill session on IME disconnect" into tm-dev am:...

Merge "Invalidate autofill session on IME disconnect" into tm-dev am: c17eae26 am: 688c534d am: 2c9611da

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18646671



Change-Id: I165a806dacbe8a2e85e0e05ac93108f144ddac9b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>