Replace color_wheel.* with beautiful versions I made with Skia.

NOTRY=true

Review URL: https://codereview.chromium.org/683113002
Update the Android NDK to r10c

Review URL: https://codereview.chromium.org/687603002
Add Geometry processor to srcAlphaWillBeOne check.

BUG=skia:

Review URL: https://codereview.chromium.org/681333002
not a failure if we didn't load the test file

BUG=skia:

Review URL: https://codereview.chromium.org/687453005
Add SK_API to global scope operators of SkMatrix

Review URL: https://codereview.chromium.org/678153002
Alter layer hoisting to only hoist layers for one canvas at a time

This CL alters layer hoisting to defer creation of the free floating layers until they are actually needed (rather than creating _all_ the hoisted layers at the start).

It also fixes a pre vs. post Concat bug with how matrices were being accumulated.

BUG=skia:2315

Review URL: https://codereview.chromium.org/657383004