Fix crash due to unregistered receiver

Unregisters the receiver from BroadcastDispatcher (where it was
registered) and not from Context (where it wasn't).

Fixes: 143896273
Test: manual switch out of Gesture nav and it doesn't crash
Change-Id: I7bb5a35835a8140beb495c59981f3e62669a235a

1 files changed, 1 insertions, 1 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/assist/AssistHandleReminderExpBehavior.java b/packages/SystemUI/src/com/android/systemui/assist/AssistHandleReminderExpBehavior.java
index 9a277e8fa77c..46ae84a95fad 100644
--- a/packages/SystemUI/src/com/android/systemui/assist/AssistHandleReminderExpBehavior.java
+++ b/packages/SystemUI/src/com/android/systemui/assist/AssistHandleReminderExpBehavior.java
@@ -249,7 +249,7 @@ final class AssistHandleReminderExpBehavior implements BehaviorController {
     public void onModeDeactivated() {
         mAssistHandleCallbacks = null;
         if (mContext != null) {
-            mContext.unregisterReceiver(mDefaultHomeBroadcastReceiver);
+            mBroadcastDispatcher.get().unregisterReceiver(mDefaultHomeBroadcastReceiver);
             Settings.Secure.putLong(mContext.getContentResolver(), LEARNING_TIME_ELAPSED_KEY, 0);
             Settings.Secure.putInt(mContext.getContentResolver(), LEARNING_EVENT_COUNT_KEY, 0);
             Settings.Secure.putLong(mContext.getContentResolver(), LEARNED_HINT_LAST_SHOWN_KEY, 0);