Java Crash happened in 'com.android.browser' at 'java.lang.IIIegalArgumentException' during monkey test.

check whether the bitmap has been recycled, before drawbitmap

Change-Id: I8ac40b24a062486d82616f562a30b6be6f3a64d1
Author: Yijun Zhu <yijunx.zhu@intel.com>
Signed-off-by: Yijun Zhu <yijunx.zhu@intel.com>
Signed-off-by: Shuo Gao <shuo.gao@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Author-tracking-BZ: 62442
SystemUI: ExpandHelper AOSP Bugs

1. weird popping issue when swiping open notifications because
   mHasPopped was not set properly
2. glow could get stuck because it was not reset at view-change

Patchset2: whitespaces

Change-Id: Icce241e82043cbcc1a28b902e78494fefd16f993