Changing overlay color for all apps in dark theme.

Bug: 65382885
Change-Id: I8266f14256a93edffa7290addb3244a64dfe635b
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 5d06705..8129e81 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -62,7 +62,7 @@
         <item name="android:textColorHint">#A0FFFFFF</item>
         <item name="android:colorControlHighlight">#A0FFFFFF</item>
         <item name="android:colorPrimary">#FF333333</item>
-        <item name="allAppsScrimColor">#7A000000</item>
+        <item name="allAppsScrimColor">#7A212121</item>
         <item name="allAppsNavBarScrimColor">#80000000</item>
         <item name="popupColorPrimary">?android:attr/colorPrimary</item>
         <item name="popupColorSecondary">#424242</item> <!-- Gray 800 -->