Add test coverage for mainline pc module class

com.android.permissioncontroller.permission.util.Utils

1)getAbsoluteTimeString
2)getBlockedIcon
3)getBlockedTitle
4)getDeviceProtectedSharedPreferences
5)getOneTimePermissionsTimeout
6)getOneTimePermissionsKilledDelay
7)getPackageInfoForComponentName
8)getPermissionGroupDescriptionString
9)getPermissionLastAccessSummaryTimestamp

Test: atest GooglePermissionControllerInProcessTests
Bug: 274702991
Change-Id: If57f1c8a7d99fd298ba3234e454de101c5a07ce2