AutoSize TextView - fix transformation method

AutoSize now takes the text transformation method into
account when measuring the view.

Bug: 63889588
Test: cts-tradefed run cts-dev -m CtsWidgetTestCases -t
android.widget.cts.TextViewTest#testAutoSizeCallers_setTransformationMethod

Change-Id: I52f4bf6ea2f45342efa04b742a9debdac69f9c4c