Remove unneeded format strings for android: attrs
Remove unneeded format strings for android: attrs

Attributes in the android: namespace shouldn't have
format strings - they inherit the format string from
the Android SDK.

Test: ./gradlew assemble
Change-Id: I9d4bf7388a297d8c77a9b743a78caa4dab2ef61b

androidx/androidx,AndroidX/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,aosp-mirror/platform_frameworks_support,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,aosp-mirror/platform_frameworks_support,aosp-mirror/platform_frameworks_support,AndroidX/androidx