Prevent "Beaming" from home screen.

Recently Android Beam was also enabled by default for
all system applications. For some system apps this
makes sense, but for an app such as launcher it doesn't.

This meta-data entry prevents the default Beam behavior
for Launcher.

Bug: 6257668
Change-Id: I1d2188969da1c87734190c19c0528ce4d3ce6825
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index cbb06f6..c72d106 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -128,5 +128,7 @@
             android:writePermission="com.android.launcher.permission.WRITE_SETTINGS"
             android:readPermission="com.android.launcher.permission.READ_SETTINGS" />
 
+        <meta-data android:name="android.nfc.disable_beam_default"
+                       android:value="true" />
     </application>
 </manifest>