Fix the android framework build as it still uses mutable local matrices.

Fix the android framework build as it still uses mutable local matrices.

R=reed@google.com

Committed: https://code.google.com/p/skia/source/detail?r=14706

[reed1, 2014-05-13 13:25:03]

lgtm

[djsollen, 2014-05-13 13:35:08]

Committed patchset #1 manually as r14706 (presubmit successful).

[scroggo, 2014-05-14 14:05:35]

lgtm