Revert "Avoid running RegisteredServicesCache tasks on main thread"

This reverts commit 8f35d505babb6b60ec07aa84b1caa01524f808b2.

Reason for revert: possibly b/184141588

Change-Id: I8c6262ec8ce5561f8d398a81492b6f5217dba834

1 files changed, 4 insertions, 7 deletions

diff --git a/core/java/android/content/pm/RegisteredServicesCache.java b/core/java/android/content/pm/RegisteredServicesCache.java
index 7696cbe0b631..7ecb11248d23 100644
--- a/core/java/android/content/pm/RegisteredServicesCache.java
+++ b/core/java/android/content/pm/RegisteredServicesCache.java
@@ -42,7 +42,6 @@ import android.util.Xml;
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.os.BackgroundThread;
 import com.android.internal.util.ArrayUtils;
 
 import libcore.io.IoUtils;
@@ -162,20 +161,18 @@ public abstract class RegisteredServicesCache<V> {
         intentFilter.addAction(Intent.ACTION_PACKAGE_CHANGED);
         intentFilter.addAction(Intent.ACTION_PACKAGE_REMOVED);
         intentFilter.addDataScheme("package");
-        Handler handler = BackgroundThread.getHandler();
-        mContext.registerReceiverAsUser(
-                mPackageReceiver, UserHandle.ALL, intentFilter, null, handler);
+        mContext.registerReceiverAsUser(mPackageReceiver, UserHandle.ALL, intentFilter, null, null);
 
         // Register for events related to sdcard installation.
         IntentFilter sdFilter = new IntentFilter();
         sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
         sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE);
-        mContext.registerReceiver(mExternalReceiver, sdFilter, null, handler);
+        mContext.registerReceiver(mExternalReceiver, sdFilter);
 
         // Register for user-related events
         IntentFilter userFilter = new IntentFilter();
         sdFilter.addAction(Intent.ACTION_USER_REMOVED);
-        mContext.registerReceiver(mUserRemovedReceiver, userFilter, null, handler);
+        mContext.registerReceiver(mUserRemovedReceiver, userFilter);
     }
 
     private void handlePackageEvent(Intent intent, int userId) {
@@ -268,7 +265,7 @@ public abstract class RegisteredServicesCache<V> {
 
     public void setListener(RegisteredServicesCacheListener<V> listener, Handler handler) {
         if (handler == null) {
-            handler = BackgroundThread.getHandler();
+            handler = new Handler(mContext.getMainLooper());
         }
         synchronized (this) {
             mHandler = handler;