Version code cleanup

  > Renaming Lmp to Lollipop
  > Lollipop_MR1 instead of directly using 22
  > Using M APIs directly instead of reflection

Change-Id: I10a307f46e3be15b3299f549a2fd7e0e215a6a1b
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 0599714..20844ec 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -402,7 +402,7 @@
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
     private AutoInstallsLayout createWorkspaceLoaderFromAppRestriction() {
         // UserManager.getApplicationRestrictions() requires minSdkVersion >= 18
-        if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
+        if (!Utilities.ATLEAST_JB_MR2) {
             return null;
         }