Revive the behavior of setFontVariationSettings as of API35

We decided not to change the behavior of setFontVariationSettings
to keep working Jetpack Compose.

Bug: 361260253
Test: CtsWidgetTestCases
Test: CtsTextTestCases
Test: CtsGraphicsTestCases
Test: minikin_tests
Flag: com.android.text.flags.typeface_redesign_readonly
Change-Id: Ia95dbd3fc5c39ff4290b8e87ea85c9dc07008a9e