Use framework's ArrayDeque instead of in-house ArrayDeque

ArrayDeque has been introduced since API Level 9.  We don't need to keep our own in-house implementation anymore.  No behavior change is intended in the supported platforms.

BUG=none
TEST=compile

git-svn-id: https://mozc.googlecode.com/svn/trunk@400 a6090854-d499-a067-5803-1114d4e51264
4 files changed
tree: 4f7ba19288eec4a6160ec3578ae69085d8535fe7
  1. src/