Revert "Add android_ninja, like android_make for ninja."

Broke some builds.  Will try again.

BUG=

Review URL: https://codereview.chromium.org/25307002

git-svn-id: http://skia.googlecode.com/svn/trunk@11526 2bbb7eff-a529-9590-31e7-b0007b416f81
3 files changed