Revert^2 [Screen share] Update strings for screen record dialog.

Bug: 352327853
Flag: NONE string changes
Test: Click screen record QS tile -> verify dialog has new strings for
both single app case and entire screen case
Test: atest ScreenRecordPermissionDialogDelegateTest

Reason for revert: Dependent CL has been re-submitted (ag/28644296)

Reverted changes: /q/submissionid:28654765-revert-28642254-caitlinshk-screen-record-dialog-BZILENNMBC

Change-Id: I5b4ff915147535beba8f9a1f5948d8b4022c2f92