Fix strings in Hearing Devices dialog that have RTL issue

Root Cause: Some strings come from remote device that can not be
translated need to also follow RTL direction by locale

Solution: Add textDirection='locale' for those strings

Fix: 344066132
Test: Change language to 'ar' to verify RTL is expected.
Flag: EXEMPT resources only update
Change-Id: I63013fdf26855315eaa7105fe49b612ef15b7165