Svetoslav Ganov 86398bda3d AccessiblityNodeInfo#findAccessibilityNodesByText returns null if non found.
1. Updated the code to return empty list instead.

2. Updated the doc to explain that the search is done in the
   sub-tree rooted at the info whose method is called.

Change-Id: I560d2563ed4772305bf2d7919560ef19baa30a1d
2011-06-21 17:38:48 -07:00
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