Adding support to trunk for building Skia using the Android NDK.

This CL depends on a subsequent CL to add the appropriate NDK
toolchain and system sources to the skia repo.

Review URL: http://codereview.appspot.com/5306089/
Review URL: http://codereview.appspot.com/5306089

git-svn-id: http://skia.googlecode.com/svn/trunk@2592 2bbb7eff-a529-9590-31e7-b0007b416f81
21 files changed