Fix FloatingToolbar refresh on menu changes.

 Also includes some minor code clean ups.

Fixes: 38465735
Test: bit FrameworksCoreTests:android.widget.TextViewActivityTest
bit CtsWidgetTestCases:android.widget.cts.TextViewTest

Change-Id: Ie87cc256b77b3ec5732f49c000ce4845130fc91c
1 file changed