Merge "Fix a11y navigation in Chooser" into tm-dev am: 247cb3a3 am: 6e0699dd am: 3512c00c

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



Change-Id: Ic7c4aa2c52fdf4f6b96925893e54415a5de3d67b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>