Revert r136047 "Switch the mac trybots that currently use make to ninja."
Revert r136047 "Switch the mac trybots that currently use make to ninja."

Caused compile failure on mac_rel.

TBR=thakis@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10391093

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@136783 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build