Update truncation of action labels to spec. am: fc7ddd61dd

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/22573952

Change-Id: I4f8c18f38157026ac310ca47177a46c4f1a60522
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>