Updating MaterialDynamicColor to match cl/523763539

Updates on DynamicColor.java, MaterialDynamicColors.java, and related files.
Tests are ignred while flaky on second bug

Bug: 269377444
Bug: 279581953

Test: atest ThemeOverlayControllerTest
Test: atest DynamicColorTest
Test: atest SchemeContentTest
Test: atest SchemeExpressiveTest
Test: atest SchemeFidelityTest
Test: atest SchemeFruitSaladTest
Test: atest SchemeMonochromeTest
Test: atest SchemeNeutralTest
Test: atest SchemeRainbowTest
Test: atest SchemeTonalSpotTest
Test: atest SchemeVibrantTest

Change-Id: I3ff95a3f0da11029303c80ec3c24aa12a6747e37
Merged-In: I3ff95a3f0da11029303c80ec3c24aa12a6747e37