111614464: Update the api-generator script This CL updates the api generator script with the fix from I6f2b3bf950fbd79f81dcd0c484be400044f2c0dd which skips package protected members. Test: Lint Bug: 111614464 Change-Id: Ie91d1e114e4a62e5e9efc21c6f691941c270f9d3