Support linking skia statically on Android

Support linking skia statically on Android. Skia symbols should be
exported by the app library, to the extent that skia_launcher needs
them.

Syncs libskia_android.so to the device only if it exists.

R=djsollen@google.com

Author: kkinnunen@nvidia.com

Review URL: https://codereview.chromium.org/61893008

git-svn-id: http://skia.googlecode.com/svn/trunk@12399 2bbb7eff-a529-9590-31e7-b0007b416f81
5 files changed