Set activity result when account is created

So we don't drop out of the app after initial account creation

b/10666403

Change-Id: Ibd9b2c1ac6ee950e6d80f1724f5c7fd989f718b6

src/com/android/email/activity/setup/AccountSetupFinal.java

@@ -997,6 +997,7 @@ public class AccountSetupFinal extends AccountSetupActivity
             mAccountAuthenticatorResponse = null;
             mReportAccountAuthenticatorError = false;
         }
+        setResult(RESULT_OK);
         proceed();
     }