Add pushModify to IEmailService.

This call lets the service know that the push settings for an
account have changed.

Change-Id: I7ed41853df6af6762c80283a2a3510ce41551657
(cherry picked from commit 446136a2278652c627068ecddff534de1ad431ab)

emailcommon/src/com/android/emailcommon/service/EmailServiceProxy.java

@@ -314,6 +314,21 @@ public class EmailServiceProxy extends ServiceProxy implements IEmailService {
         }, "sendMail");
     }
 
+    /**
+     * Request the service to refresh its push notification status (e.g. to start or stop receiving
+     * them, or to change which folders we want notifications for).
+     * @param accountId The account whose push settings to modify.
+     */
+    @Override
+    public void pushModify(final long accountId) throws RemoteException {
+        setTask(new ProxyTask() {
+            @Override
+            public void run() throws RemoteException{
+                mService.pushModify(accountId);
+            }
+        }, "sendMail");
+    }
+
     @Override
     public IBinder asBinder() {
         return null;

emailcommon/src/com/android/emailcommon/service/IEmailService.aidl

@@ -30,7 +30,14 @@ interface IEmailService {
     oneway void loadAttachment(IEmailServiceCallback cb, long attachmentId, boolean background);
     oneway void updateFolderList(long accountId);
 
+    // Push-related functionality.
+
+    // Notify the service that the push configuration has changed for an account.
+    void pushModify(long accountId);
+
     // Other email operations.
+    // TODO: Decouple this call from HostAuth (i.e. use a dedicated data structure, or just pass
+    // the necessary strings directly).
     Bundle validate(in HostAuth hostauth);
     int searchMessages(long accountId, in SearchParams params, long destMailboxId);
 

src/com/android/email/service/EmailServiceStub.java

@@ -389,6 +389,11 @@ public abstract class EmailServiceStub extends IEmailService.Stub implements IEm
         return 0;
     }
 
+    @Override
+    public void pushModify(long accountId) throws RemoteException {
+        LogUtils.e(Logging.LOG_TAG, "pushModify invalid for account type for %d", accountId);
+    }
+
     @Override
     public void sendMail(long accountId) throws RemoteException {
         sendMailImpl(mContext, accountId);

src/com/android/email/service/EmailServiceUtils.java

@@ -694,5 +694,9 @@ public class EmailServiceUtils {
         @Override
         public void sendMail(long accountId) throws RemoteException {
         }
+
+        @Override
+        public void pushModify(long accountId) throws RemoteException {
+        }
     }
 }