Use Window.isWideColorGamut()

Bug: 62832666
Test: CtsColorModeTestCases, CtsViewTestCases
Change-Id: I406cf978a11b687056a4d4c726dc1b03b086100c
diff --git a/tests/tests/colormode/src/android/colormode/cts/DefaultColorModeTest.java b/tests/tests/colormode/src/android/colormode/cts/DefaultColorModeTest.java
index 06273eb..4d076f8 100644
--- a/tests/tests/colormode/src/android/colormode/cts/DefaultColorModeTest.java
+++ b/tests/tests/colormode/src/android/colormode/cts/DefaultColorModeTest.java
@@ -30,6 +30,7 @@
 import org.junit.runner.RunWith;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 
 @MediumTest
 @RunWith(AndroidJUnit4.class)
@@ -53,5 +54,7 @@
 
         Window window = mActivity.getWindow();
         assertEquals(ActivityInfo.COLOR_MODE_DEFAULT, window.getAttributes().getColorMode());
+
+        assertFalse(window.isWideColorGamut());
     }
 }
diff --git a/tests/tests/view/src/android/view/cts/PixelCopyTest.java b/tests/tests/view/src/android/view/cts/PixelCopyTest.java
index d94fe6f..e0910c0 100644
--- a/tests/tests/view/src/android/view/cts/PixelCopyTest.java
+++ b/tests/tests/view/src/android/view/cts/PixelCopyTest.java
@@ -370,7 +370,7 @@
                 ActivityInfo.COLOR_MODE_WIDE_COLOR_GAMUT, window.getAttributes().getColorMode());
 
         // Early out if the device does not support wide color gamut rendering
-        if (!window.getDecorView().getDisplay().isWideColorGamut()) {
+        if (!window.isWideColorGamut()) {
             return;
         }
 
@@ -400,7 +400,7 @@
                 ActivityInfo.COLOR_MODE_WIDE_COLOR_GAMUT, window.getAttributes().getColorMode());
 
         // Early out if the device does not support wide color gamut rendering
-        if (!window.getDecorView().getDisplay().isWideColorGamut()) {
+        if (!window.isWideColorGamut()) {
             return;
         }