tree 8fb1bc508528a5b4c070c52e086738ca9681b258
parent 54bab13ae9de4dd00002792bebf9531ede3c12e2
author Dake Gu <dake@google.com> 1459204109 -0700
committer Dake Gu <dake@google.com> 1459214343 -0700

leanback: switch to use helper methods for margins

Switch to use RecyclerView helper methods with margin support.
Added test cases for optical bounds used together with margins and
item decoration.

Change-Id: I021a4f1c6c6c777845a7379fd8c23a128a13356c