Merge "Fix a11y navigation in Chooser" into tm-dev am: 247cb3a3bc am: 6e0699ddf0 am: 217291ba80

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18408340

Change-Id: I28863ab263a1687ade6a6082e722f713c3ebf453
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>