Add ACTION_ACCOUNT_REMOVED to Account Manager.

AccountManagerService sends an intent with the action when account of any type is removed or renamed.

Test: manual, APCT.
Bug: 37280078

Change-Id: I53b1bb9d6cde1edba5c37ecf3e4e13d748b19005
diff --git a/services/core/java/com/android/server/accounts/AccountManagerService.java b/services/core/java/com/android/server/accounts/AccountManagerService.java
index 5f585cc..eb58e4c 100644
--- a/services/core/java/com/android/server/accounts/AccountManagerService.java
+++ b/services/core/java/com/android/server/accounts/AccountManagerService.java
@@ -959,6 +959,12 @@
         mContext.sendBroadcastAsUser(ACCOUNTS_CHANGED_INTENT, new UserHandle(userId));
     }
 
+    private void sendAccountRemovedBroadcast(int userId) {
+        Intent intent = new Intent(AccountManager.ACTION_ACCOUNT_REMOVED);
+        intent.setFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
+        mContext.sendBroadcastAsUser(intent, new UserHandle(userId));
+    }
+
     @Override
     public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
             throws RemoteException {
@@ -1111,6 +1117,7 @@
                                     notifyPackage(packageToVisibility.getKey(), accounts);
                                 }
                             }
+                            sendAccountRemovedBroadcast(accounts.userId);
                         } else {
                             ArrayList<String> accountNames = accountNamesByType.get(account.type);
                             if (accountNames == null) {
@@ -1971,6 +1978,7 @@
 
                 sendNotificationAccountUpdated(resultAccount, accounts);
                 sendAccountsChangedBroadcast(accounts.userId);
+                sendAccountRemovedBroadcast(accounts.userId);
             }
         }
         return resultAccount;
@@ -2206,6 +2214,7 @@
 
                     // Only broadcast LOGIN_ACCOUNTS_CHANGED if a change occurred.
                     sendAccountsChangedBroadcast(accounts.userId);
+                    sendAccountRemovedBroadcast(accounts.userId);
                     String action = userUnlocked ? AccountsDb.DEBUG_ACTION_ACCOUNT_REMOVE
                             : AccountsDb.DEBUG_ACTION_ACCOUNT_REMOVE_DE;
                     logRecord(action, AccountsDb.TABLE_ACCOUNTS, accountId, accounts);
diff --git a/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java
index 00f6273..20839c5 100644
--- a/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java
@@ -117,6 +117,7 @@
     @Captor private ArgumentCaptor<Bundle> mBundleCaptor;
     private int mVisibleAccountsChangedBroadcasts;
     private int mLoginAccountsChangedBroadcasts;
+    private int mAccountRemovedBroadcasts;
 
     private static final int LATCH_TIMEOUT_MS = 500;
     private static final String PREN_DB = "pren.db";
@@ -2510,6 +2511,7 @@
         updateBroadcastCounters(2);
         assertEquals(mVisibleAccountsChangedBroadcasts, 0); // broadcast was not sent
         assertEquals(mLoginAccountsChangedBroadcasts, 2);
+        assertEquals(mAccountRemovedBroadcasts, 0);
     }
 
     @SmallTest
@@ -2533,9 +2535,10 @@
         mAms.registerAccountListener( null /* accountTypes */, "testpackage");
         mAms.removeAccountInternal(AccountManagerServiceTestFixtures.ACCOUNT_INTERVENE);
 
-        updateBroadcastCounters(6);
+        updateBroadcastCounters(8);
         assertEquals(mVisibleAccountsChangedBroadcasts, 2);
         assertEquals(mLoginAccountsChangedBroadcasts, 4);
+        assertEquals(mAccountRemovedBroadcasts, 2);
     }
 
     @SmallTest
@@ -2560,17 +2563,19 @@
             "testpackage3"); // opPackageName
         // Remove account with 2 active listeners.
         mAms.removeAccountInternal(AccountManagerServiceTestFixtures.ACCOUNT_SUCCESS);
-        updateBroadcastCounters(7);
+        updateBroadcastCounters(8);
         assertEquals(mVisibleAccountsChangedBroadcasts, 5);
         assertEquals(mLoginAccountsChangedBroadcasts, 2); // 3 add, 2 remove
+        assertEquals(mAccountRemovedBroadcasts, 1);
 
         // Add account of another type.
         mAms.addAccountExplicitly(
             AccountManagerServiceTestFixtures.ACCOUNT_SUCCESS_TYPE_2, "p11", null);
 
-        updateBroadcastCounters(8);
+        updateBroadcastCounters(9);
         assertEquals(mVisibleAccountsChangedBroadcasts, 5);
         assertEquals(mLoginAccountsChangedBroadcasts, 3);
+        assertEquals(mAccountRemovedBroadcasts, 1);
     }
 
     @SmallTest
@@ -2602,16 +2607,20 @@
     private void updateBroadcastCounters (int expectedBroadcasts){
         mVisibleAccountsChangedBroadcasts = 0;
         mLoginAccountsChangedBroadcasts = 0;
+        mAccountRemovedBroadcasts = 0;
         ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
         verify(mMockContext, times(expectedBroadcasts)).sendBroadcastAsUser(captor.capture(),
             any(UserHandle.class));
         for (Intent intent : captor.getAllValues()) {
-            if (AccountManager.ACTION_VISIBLE_ACCOUNTS_CHANGED. equals(intent.getAction())) {
+            if (AccountManager.ACTION_VISIBLE_ACCOUNTS_CHANGED.equals(intent.getAction())) {
                 mVisibleAccountsChangedBroadcasts++;
             }
-            if (AccountManager.LOGIN_ACCOUNTS_CHANGED_ACTION. equals(intent.getAction())) {
+            if (AccountManager.LOGIN_ACCOUNTS_CHANGED_ACTION.equals(intent.getAction())) {
                 mLoginAccountsChangedBroadcasts++;
             }
+            if (AccountManager.ACTION_ACCOUNT_REMOVED.equals(intent.getAction())) {
+                mAccountRemovedBroadcasts++;
+            }
         }
     }