Making some fields accessible to subclasses

Bug: 132975416
Change-Id: Icc7043d8299c88fcf505068f8cabd4705d19010d
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionAppTracker.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionAppTracker.java
index af67e1b..8f1282d 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionAppTracker.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionAppTracker.java
@@ -56,7 +56,7 @@
     private static final int MSG_LAUNCH = 2;
     private static final int MSG_PREDICT = 3;
 
-    private final Context mContext;
+    protected final Context mContext;
     private final Handler mMessageHandler;
 
     // Accessed only on worker thread