Use drawables instead of mipmap for WebView icon.

The WebView doesn't have a need for mip-map icons, so use drawable
instead which allows us to strip the unused densities.

Bug: 17540943
Change-Id: I9960abc383efc2b0e744f80507c81cf7165ebbfa
diff --git a/chromium/AndroidManifest.xml b/chromium/AndroidManifest.xml
index d2ecac8..8adc119 100644
--- a/chromium/AndroidManifest.xml
+++ b/chromium/AndroidManifest.xml
@@ -20,7 +20,7 @@
               android:targetSdkVersion="20">
     </uses-sdk>
     <application android:label="Android System WebView"
-        android:icon="@mipmap/icon_webview"
+        android:icon="@drawable/icon_webview"
         android:multiArch="true">
     </application>
 </manifest>
diff --git a/chromium/res/mipmap-hdpi/icon_webview.png b/chromium/res/drawable-hdpi/icon_webview.png
similarity index 100%
rename from chromium/res/mipmap-hdpi/icon_webview.png
rename to chromium/res/drawable-hdpi/icon_webview.png
Binary files differ
diff --git a/chromium/res/mipmap-mdpi/icon_webview.png b/chromium/res/drawable-mdpi/icon_webview.png
similarity index 100%
rename from chromium/res/mipmap-mdpi/icon_webview.png
rename to chromium/res/drawable-mdpi/icon_webview.png
Binary files differ
diff --git a/chromium/res/mipmap-xhdpi/icon_webview.png b/chromium/res/drawable-xhdpi/icon_webview.png
similarity index 100%
rename from chromium/res/mipmap-xhdpi/icon_webview.png
rename to chromium/res/drawable-xhdpi/icon_webview.png
Binary files differ
diff --git a/chromium/res/mipmap-xxhdpi/icon_webview.png b/chromium/res/drawable-xxhdpi/icon_webview.png
similarity index 100%
rename from chromium/res/mipmap-xxhdpi/icon_webview.png
rename to chromium/res/drawable-xxhdpi/icon_webview.png
Binary files differ