Add Camera2Raw to build.gradle (DO NOT MERGE)

This was already committed downstream in mnc-dev, but cherry-picking
this sample back to lmp-mr1-ub-docs.

Change-Id: I6dc5e85982511c526d11296be9883fcc64eb8c95
(cherry picked from commit 9d37fdb04df6b3cb0d9894874394576c181221ab)
1 file changed