Fix invalidation issue with actionbar items
When a view hierarchy becomes VISIBLE, it is possible that the display list of some of the subtrees needs to be recreated. In particular, if the subtree was measured while it was GONE, then the children probably didn't have a valid size. If a display list is created for any of the subnodes in the tree during this time, then they may have clipped the children out. The fix is to force the parent to become INVALIDATED whenever a child view's bounds change (and it is VISIBLE). Change-Id: I3624253e65354289f4fb94c9ba76a7e6fb82af9a
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