tree b17f5f610db65b15c5401a821dd3d21037d2e437
parent c5e0f5335297efb77d626af70dde52e6535a6a30
author Tor Norbye <tnorbye@google.com> 1478361447 -0700
committer Tor Norbye <tnorbye@google.com> 1478890450 +0000

32535234: Make @NonNull work with @NonNullByDefault

This CL allows the @NonNull and @Nullable annotations
to be placed on other annotations (such as @NonNullByDefault)
or on packages.

Also had to move imports around to make the new checkstyle
and upload hooks happy.

Test: Not applicable.

Change-Id: I96c25558aa959ea93c29830676fe917d54fbf390