AssetRedirectionService: Check for permissions before running dump()

Fix android.security.cts.ServicePermissionsTest failure

Change-Id: I9d629d19f3ff231db477d156c8bf557d4b8ee861
AssetRedirectionManager: Accept redirections only for whitelisted resource types

Change-Id: Idf1ea739a81719b6a196f0114c9fc3b7c7ff428c