tree 845b4e50ca1d1e57bba396866b957cc5b1dba358
parent 8b5bca5937e22399df25a9f9645450e8b18e22b3
author Fan Zhang <zhfan@google.com> 1476911734 -0700
committer Fan Zhang <zhfan@google.com> 1476982321 -0700

Make dashboard tile refresh more effcient.

Instead of removing and re-adding all dashboard tiles, figure out a diff
and rebind/add/remove as necessary.

Bug: 32255863
Test: RunSettingsRoboTests
Change-Id: I9d87ba30ab746257d0ea71282951348ebc4e8965