Enable Elevation Overlays for Dark Themes and update surface colors to match spec

PiperOrigin-RevId: 240425682

Author: dsn5ft

catalog/java/io/material/catalog/application/theme/res/values/themes.xml

@@ -26,9 +26,5 @@
     <item name="catalogToolbarStyle">@style/Widget.Catalog.Toolbar</item>
     <item name="catalogToolbarWithCloseButtonStyle">@style/Widget.Catalog.Toolbar.WithCloseButton</item>
     <item name="windowActionModeOverlay">true</item>
-
-    <!-- TODO: Remove the following overrides once they are moved into the library. -->
-    <item name="elevationOverlaysEnabled">true</item>
-    <item name="colorSurface">#141414</item>
   </style>
 </resources>

lib/java/com/google/android/material/color/res/values/colors.xml

@@ -45,7 +45,7 @@
   <!-- Dark theme neutral colors. -->
   <color name="design_dark_default_color_background">#141414</color>
   <color name="design_dark_default_color_on_background">#FFFFFF</color>
-  <color name="design_dark_default_color_surface">#282828</color>
+  <color name="design_dark_default_color_surface">#141414</color>
   <color name="design_dark_default_color_on_surface">#FFFFFF</color>
   <color name="design_dark_default_color_error">#C26C7A</color>
   <color name="design_dark_default_color_on_error">#000000</color>

lib/java/com/google/android/material/dialog/res/values/themes_base_bridge.xml

@@ -80,8 +80,7 @@
     </item>
 
     <!-- Elevation Overlays -->
-    <!-- TODO: Enable once more components support elevation overlays. -->
-    <item name="elevationOverlaysEnabled">false</item>
+    <item name="elevationOverlaysEnabled">true</item>
     <item name="elevationOverlaysColor">?attr/colorOnSurface</item>
   </style>
 

lib/java/com/google/android/material/theme/res/values/themes_base_bridge.xml

@@ -80,8 +80,7 @@
     </item>
 
     <!-- Elevation Overlays -->
-    <!-- TODO: Enable once more components support elevation overlays. -->
-    <item name="elevationOverlaysEnabled">false</item>
+    <item name="elevationOverlaysEnabled">true</item>
     <item name="elevationOverlaysColor">?attr/colorOnSurface</item>
   </style>
 
@@ -187,8 +186,7 @@
     </item>
 
     <!-- Elevation Overlays -->
-    <!-- TODO: Enable once more components support elevation overlays. -->
-    <item name="elevationOverlaysEnabled">false</item>
+    <item name="elevationOverlaysEnabled">true</item>
     <item name="elevationOverlaysColor">?attr/colorOnSurface</item>
   </style>
 

lib/javatests/com/google/android/material/elevation/ElevationOverlayProviderTest.java

@@ -46,7 +46,7 @@ public class ElevationOverlayProviderTest {
 
   @Before
   public void initContextThemeWithElevationOverlays() {
-    context.setTheme(R.style.Test_Theme_MaterialComponents_ElevationOverlays);
+    context.setTheme(R.style.Theme_MaterialComponents_NoActionBar);
   }
 
   @Test