Doris Liu 629ba0e2b3 DO NOT MERGE Use ArrayMap instead of HashMap for storing relavant nodes
This fix is to take advantage of ArrayMap, which is a key-value
mapping data structure that is more memory efficient than HashMap.

Bug: 11604254
Change-Id: I57006880de570a4d7f3899e274cf0a06355d116b
(cherry picked from commit d7444427d9f44b6b7448d4c21edca866132c8b59)
2015-06-10 22:54:09 +00:00
..
2015-04-27 18:37:34 -07:00