[frameworks] unregister receivers in RegisteredServicesCacheTest

BUG: 298063459
Test: presubmit

Change-Id: Iad778f02a2896b2c0f9cf50f92b7343941301b41
diff --git a/core/java/android/content/pm/RegisteredServicesCache.java b/core/java/android/content/pm/RegisteredServicesCache.java
index 149de7e..0333942 100644
--- a/core/java/android/content/pm/RegisteredServicesCache.java
+++ b/core/java/android/content/pm/RegisteredServicesCache.java
@@ -834,4 +834,11 @@
 
     public abstract V parseServiceAttributes(Resources res,
             String packageName, AttributeSet attrs);
+
+    @VisibleForTesting
+    public void unregisterReceivers() {
+        mContext.unregisterReceiver(mPackageReceiver);
+        mContext.unregisterReceiver(mExternalReceiver);
+        mContext.unregisterReceiver(mUserRemovedReceiver);
+    }
 }
diff --git a/core/tests/coretests/src/android/content/pm/RegisteredServicesCacheTest.java b/core/tests/coretests/src/android/content/pm/RegisteredServicesCacheTest.java
index 5553902..37ef6cb 100644
--- a/core/tests/coretests/src/android/content/pm/RegisteredServicesCacheTest.java
+++ b/core/tests/coretests/src/android/content/pm/RegisteredServicesCacheTest.java
@@ -85,9 +85,11 @@
         assertEquals(2, cache.getAllServicesSize(U0));
         assertEquals(2, cache.getPersistentServicesSize(U0));
         assertNotEmptyFileCreated(cache, U0);
+        cache.unregisterReceivers();
         // Make sure all services can be loaded from xml
         cache = new TestServicesCache();
         assertEquals(2, cache.getPersistentServicesSize(U0));
+        cache.unregisterReceivers();
     }
 
     public void testGetAllServicesReplaceUid() {
@@ -110,6 +112,7 @@
         assertTrue("UID must be updated to the new value",
                 uids.contains(SYSTEM_IMAGE_UID));
         assertFalse("UID must be updated to the new value", uids.contains(UID2));
+        cache.unregisterReceivers();
     }
 
     public void testGetAllServicesServiceRemoved() {
@@ -118,6 +121,7 @@
         cache.addServiceForQuerying(U0, r2, newServiceInfo(t2, UID2));
         assertEquals(2, cache.getAllServicesSize(U0));
         assertEquals(2, cache.getPersistentServicesSize(U0));
+        cache.unregisterReceivers();
         // Re-read data from disk and verify services were saved
         cache = new TestServicesCache();
         assertEquals(2, cache.getPersistentServicesSize(U0));
@@ -125,6 +129,7 @@
         cache.addServiceForQuerying(U0, r1, newServiceInfo(t1, UID1));
         assertEquals(1, cache.getAllServicesSize(U0));
         assertEquals(1, cache.getPersistentServicesSize(U0));
+        cache.unregisterReceivers();
     }
 
     public void testGetAllServicesMultiUser() {
@@ -137,12 +142,14 @@
         assertEquals(1, cache.getAllServicesSize(U1));
         assertEquals(1, cache.getPersistentServicesSize(U1));
         assertEquals("No services should be available for user 3", 0, cache.getAllServicesSize(3));
+        cache.unregisterReceivers();
         // Re-read data from disk and verify services were saved
         cache = new TestServicesCache();
         assertEquals(1, cache.getPersistentServicesSize(U0));
         assertEquals(1, cache.getPersistentServicesSize(U1));
         assertNotEmptyFileCreated(cache, U0);
         assertNotEmptyFileCreated(cache, U1);
+        cache.unregisterReceivers();
     }
 
     public void testOnRemove() {
@@ -158,6 +165,7 @@
         cache.clearServicesForQuerying();
         assertEquals(1, cache.getAllServicesSize(U0));
         assertEquals(0, cache.getAllServicesSize(U1));
+        cache.unregisterReceivers();
     }
 
     public void testMigration() {
@@ -186,10 +194,12 @@
         cache.addServiceForQuerying(0, r2, newServiceInfo(t2, 2));
         assertEquals(2, cache.getAllServicesSize(u0));
         assertEquals(0, cache.getAllServicesSize(u1));
+        cache.unregisterReceivers();
         // Re-read data from disk. Verify that services were saved and old file was ignored
         cache = new TestServicesCache();
         assertEquals(2, cache.getPersistentServicesSize(u0));
         assertEquals(0, cache.getPersistentServicesSize(u1));
+        cache.unregisterReceivers();
     }
 
     private static RegisteredServicesCache.ServiceInfo<TestServiceType> newServiceInfo(