Fix a typo in the launch intent for emergency info.

The EmergencyInfo app accepts either launch target for now. After this
is submitted, the misspelled one can be removed.

Test: Manually test that the Settings app still launches the
EmergencyInfo app. Reran unit tests.

Change-Id: I923468dbe9825e85b021f5ea64ee2877fd02f262

tests/robotests/src/com/android/settings/accounts/EmergencyInfoPreferenceControllerTest.java

@@ -149,6 +149,6 @@ public class EmergencyInfoPreferenceControllerTest {
         mController.handlePreferenceTreeClick(preference);
 
         assertThat(application.getNextStartedActivity().getAction())
-                .isEqualTo("android.settings.EDIT_EMERGENGY_INFO");
+                .isEqualTo("android.settings.EDIT_EMERGENCY_INFO");
     }
 }