Using content provider to update launcher settings

> Removing cross process preference file
> Removed broadcast listener management for settings changes
> Defining content provider method to get/set laucnehr preferences

Change-Id: Ida36eac0ab17c1d48fedc9404817a53a89b36c4f
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 76ad8c1..540bdf8 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -21,10 +21,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.content.res.Resources;
 import android.util.Log;
 
-import android.view.ViewConfiguration;
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.PackageInstallerCompat;
@@ -48,6 +46,7 @@
     private static LauncherAppState INSTANCE;
 
     private InvariantDeviceProfile mInvariantDeviceProfile;
+
     private LauncherAccessibilityDelegate mAccessibilityDelegate;
 
     public static LauncherAppState getInstance() {