WebView does not require a touch screen.

Ensure devices that don't have a touchscreen are not prevented
from getting a WebView update.

Bug: 16902981
Change-Id: I423c5c3cdff549b2ecfee532ada820545b0d1c5d
diff --git a/chromium/AndroidManifest.xml b/chromium/AndroidManifest.xml
index 8d57481..2d587d0 100644
--- a/chromium/AndroidManifest.xml
+++ b/chromium/AndroidManifest.xml
@@ -19,6 +19,10 @@
     <uses-sdk android:minSdkVersion="21"
               android:targetSdkVersion="21">
     </uses-sdk>
+
+    <uses-feature android:name="android.hardware.touchscreen"
+            android:required="false"/>
+
     <application android:label="Android System WebView"
         android:icon="@drawable/icon_webview"
         android:multiArch="true">