Add expressive design flag check to Permission module

Permission code had an assumption of the flag check will be performed in
SettingsThemeHelper. However, it was recently changed in ag/33009591.
Hence adding back the flag check.

Bug: 419343538
Flag: com.android.settingslib.widget.theme.flags.is_expressive_design_enabled
Test: Manual and CtsPermissionUiTestCases
Relnote: Add expressive design flag check to Permission module
Change-Id: Ief11cbab62dd133b022cb651d15f5bbe34deb8a2
5 files changed