make: Clean up the "all" target definitions.
make: Clean up the "all" target definitions.

"all" previously had just about every possible target in its dependency list,
including obj files. Now it should just depend on the highest level targets
(i.e. the gyp file [targets]), which in turn will depend on everything else.
Review URL: http://codereview.chromium.org/1431002

csulmone/gyp,csulmone/gyp,csulmone/gyp,csulmone/gyp