Disable source file checks for src/third_party repos and reorder hooks

Disable source file checks for src/third_party repos until we find a better way to decide when to run source file hooks.
Reorder hooks to run commit message checks first.

BUG=None
TEST=Tested on src/third_party repo and non-third_party repo.

Change-Id: I5dbc8dd08631174a2cf5c99bebe40c959924708a
1 file changed
tree: d912e67e19996d11f03aafff614bbff28db07317
  1. checkpatch.pl
  2. pre-upload.py