The big code style cleanup

* Format using AOSP code style in Android Studio,
  excluding `Rearrange entries` option.
* Rename static variables to use proper naming scheme
* Remove empty lines

Change-Id: I0d193e35f071bc288050e587b1693844d68865e1

src/org/lineageos/setupwizard/PartnerReceiver.java

@@ -1,5 +1,3 @@
-package org.lineageos.setupwizard;
-
 /*
  * Copyright (C) 2016 The CyanogenMod Project
  *
@@ -16,6 +14,8 @@ package org.lineageos.setupwizard;
  * limitations under the License.
  */
 
+package org.lineageos.setupwizard;
+
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;