Update themed icons.

- Ensure underlying icons and overlayed icons match in size, tint and
autoMirrored
- Add a couple missing Settings icons
- Change perm_group_* icons to use colorControlNormal

Fixes: 132997623
Fixes: 131346125
Test: make; change overlays
Change-Id: I65170eb7671c425bd2c39cd2f1341f641fa810e3
diff --git a/packages/overlays/IconPackFilledSettingsOverlay/res/drawable/ic_network_cell.xml b/packages/overlays/IconPackFilledSettingsOverlay/res/drawable/ic_network_cell.xml
index 2e9433b..d62758e 100644
--- a/packages/overlays/IconPackFilledSettingsOverlay/res/drawable/ic_network_cell.xml
+++ b/packages/overlays/IconPackFilledSettingsOverlay/res/drawable/ic_network_cell.xml
@@ -15,6 +15,7 @@
    limitations under the License.
 -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:autoMirrored="true"
     android:height="24dp"
     android:tint="?android:attr/colorControlNormal"
     android:viewportHeight="24"