Attrs could not have same name, so create a common parent for the
messageText. And BiometricEnrollCheckbox is not in use.
Replace some com.android.settingslib.R with com.android.settings.R,
because these are files in settings instead of settingslib.
Bug: 253772249
Test: TAP
Change-Id: Ifa796e923bf26facf4935be4968637affdb4b48b
Systemui memory regression, so we have to move the qr code activity back to Settings
Bug: 228031398
Test: manual
Change-Id: Ic30291e6d752c6c770c40e1329d9f95ceec8cca6