am 3c00157e: am 02cba9f2: am 05f45faa: am efa53b19: am 4d7f9ad7: am ece98e5f: Merge "Fix checkbuild targets, remove unittest_enum_mulitplejava_nano.proto."

* commit '3c00157ec8e7d64e1a23c4b3a48edfcf28e3f70d':