Revert "Ignore @FlaggedApi annotated API in udc mainline branch"

This reverts commit 9ee37a0e60b6e9eddeb92aca1d0b6ec8bd87bdc6.

Reason for revert: API files are not correct in udc-mainline-prod

Change-Id: Ief0a79883bcc2c5493807c548cb71ef655abed23
1 file changed