Add BT message access

+ List available email accounts
+ Allow for turning each account on/off with switches--making the message content available to bluetooth devices that can read emails (like cars)

Bug: 15720425

Change-Id: Ia0c91c1e74a2644fc99a8b902c42212453d8f86e
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index b0d3241..4675bb2 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -76,6 +76,7 @@
 import com.android.settings.applications.ManageApplications;
 import com.android.settings.applications.ProcessStatsUi;
 import com.android.settings.bluetooth.BluetoothSettings;
+import com.android.settings.bluetooth.MessageAccessSettings;
 import com.android.settings.dashboard.DashboardCategory;
 import com.android.settings.dashboard.DashboardSummary;
 import com.android.settings.dashboard.DashboardTile;
@@ -237,6 +238,7 @@
             AdvancedWifiSettings.class.getName(),
             SavedAccessPointsWifiSettings.class.getName(),
             BluetoothSettings.class.getName(),
+            MessageAccessSettings.class.getName(),
             TetherSettings.class.getName(),
             WifiP2pSettings.class.getName(),
             VpnSettings.class.getName(),