Deprecate StaticLayout and DynamicLayout constructors

The Builders should be used instead.
Also remove a StaticLayout constructor only used in tests in favor
of the Builder.

Bug: 64985428
Test: adb shell am instrument -w -e class android.text.StaticLayoutTest com.android.frameworks.coretests/android.support.test.runner.AndroidJUnitRunner
Change-Id: Ief6839d2c6bb0969bdeb30359eae00d38a2bdb09