Talkback change for grid option

-Set content description when grid option not applied nor selected ex "4 x 4" -> "4 x 4, change applied or previewed"
-Say "4 x 4, currently previewed" after double tap
-Don't focus on apply button after double tap grid option

Videos:
 -Before: https://drive.google.com/file/d/1-5b2bJsvof2WGaaqHjwxJnGGtJWWJUHD/view?usp=sharing&resourcekey=0-PFRWQEqtvxVRZKUC2SUEGg
 -After: https://drive.google.com/file/d/11kUz8uw7evHpNe-ZvSSG6-sxmUJsPtRr/view?usp=sharing&resourcekey=0-C-BrJmvPgxFmbgvkWn5yQw

Bug: 207804306
Test: Manual
Change-Id: I7f7b02286b35e82fab38d4b3d770211928e6e9ef
3 files changed