Move MeasuredText.sRegistry to Builder

Test: atest android.graphics.text.cts.MeasuredTextTest
Test: atest android.graphics.text.cts.LineBreakerTest
Test: atest android.text.cts.StaticLayoutTest

Bug: 117888473
Bug: 112327179
Change-Id: I0c1b86928429dce02867ac0cba674e0f69fc5fdf
1 file changed