Run the sync code in the main process

So that notifications generated from sync open the app properly and launch the
status screen.

This implements
e-mission/e-mission-docs#712 (comment)

plugin.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <plugin xmlns="http://www.phonegap.com/ns/plugins/1.0"
         id="cordova-plugin-em-serversync"
-        version="1.2.7">
+        version="1.2.8">
 
   <name>ServerSync</name>
   <description>Push and pull local data to the server</description>
@@ -63,8 +63,7 @@
     	</service>
 		<service
                 android:name="edu.berkeley.eecs.emission.cordova.serversync.SyncService"
-                android:exported="true"
-                android:process=":sync">
+                android:exported="true">
             <intent-filter>
                 <action android:name="android.content.SyncAdapter"/>
             </intent-filter>