Incompatibilities exemption for android.app.ActivityManager.getMaxNumPictureInPictureActions()

It was knowingly removed in b3075273fb106e306b1dbab690c5f86eb5c14ba5 but Metalava is only catching it now due to some improvements in Metalava

Bug: 181972033
Test: m checkapi
Change-Id: Id616a7e42c883fc563db4b9af4dfac9ae30dd967
1 file changed