Add a chevron to the right of the Modify Share button am: 9af8dc833a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/22434870

Change-Id: Icd0f369e76a5ba7337440da5a56fd53125bb1c3c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>