Move Account & sync settings into Settings app.

Fragmentized some of the activities and moved buttons into the menu area.

Bug: 3148844
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index c94a0e1..a47fa56 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -208,4 +208,6 @@
     public static class VoiceInputOutputSettingsActivity extends Settings { }
     public static class ManageAccountsSettingsActivity extends Settings { }
     public static class PowerUsageSummaryActivity extends Settings { }
+    public static class AccountSyncSettingsActivity extends Settings { }
+    public static class AccountSyncSettingsInAddAccountActivity extends Settings { }
 }