Revert "CCodec: don't drop metadata for output with flag FLAG_DROP_FRAME."

This reverts commit b8fe01e5992d688987637fd7cbbbbe617293a9da.

Bug: 193482724
Bug: 193867146
Test: cts/media/device-small
Change-Id: I00375414c2e0491f4af4681858eae17e0dc43be6
1 file changed