Fix RTL layout for Notification Body am: 21be1d68f5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Car/Notification/+/17988685

Change-Id: I176302ef3c0507fade059e835e74656ea72098cc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>