Fix color of checked button on incall screen.

Bug: 80232219
Test: manual
PiperOrigin-RevId: 198478103
Change-Id: Ic36bf831eef81754f5697e32c4e8813d7e41adf1
diff --git a/java/com/android/dialer/theme/base/impl/AospThemeImpl.java b/java/com/android/dialer/theme/base/impl/AospThemeImpl.java
index b8c7e52..c8f20c7 100644
--- a/java/com/android/dialer/theme/base/impl/AospThemeImpl.java
+++ b/java/com/android/dialer/theme/base/impl/AospThemeImpl.java
@@ -139,8 +139,8 @@
 
   @Override
   public int getColorPrimaryDark() {
-    Assert.checkArgument(colorPrimary != -1);
-    return 0;
+    Assert.checkArgument(colorPrimaryDark != -1);
+    return colorPrimaryDark;
   }
 
   @Override