tree bdccd8918a5bab56ed4a287bf22e5c2dafada537
parent eb3a0fadfee8a0f031cabbdab175c8d1575375dc
author Svetoslav <svetoslavganov@google.com> 1385430300 -0800
committer Svetoslav <svetoslavganov@google.com> 1386960303 -0800

Fixing some accessibility bugs.

1. Views not important for accessibility should not send events.

2. The base View implementation should not add it self to the
   list of children for accessibility.

3. Null pointer exception in AccessibilityNodeInfoCache.

Change-Id: Ie5b373362269200ead13ffe632679bd42ee40309