Rename PremeasuredText to MeasuredText

There is already MeasuredText, so renamed existing MeasuredText to
MeasuredParagraph, then renamed PremeasuredText to MeasuredText.

Bug: 67504091
Test: bit CtsWidgetTestCases:android.widget.cts.TextViewTest
Test: bit CtsTextTestCases:*
Change-Id: Ie20bea9501b18fabb36f64d388a7851c4643d4c3
14 files changed