Enabled annotations for api-stubs, system-api-stubs, and test-api-stubs

Test: manually cp stub-annotations.jar to pi-dev; and m -j metalava_android_stubs
Bug: b/78245848

Change-Id: Ib7ea5d847d50e3c863891e0f59228a40d1b8c41b
Merged-In: I116643925a3a9594e8590c3714e93d0fb0ac372f