Revert submission

Reason for revert: This causes a boot issue on Taimen (b/144480969). It wasn't caught by TreeHugger due to Taimen tests being disabled due to a different lab outage (b/144350336).

Change-Id: I490dc6c933c08c3c83b962786df11bd2da66b28a

src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDetailPreferenceController.java

@@ -70,7 +70,7 @@ public class FirmwareVersionDetailPreferenceController extends BasePreferenceCon
 
     @Override
     public CharSequence getSummary() {
-        return Build.VERSION.RELEASE_OR_CODENAME;
+        return Build.VERSION.RELEASE;
     }
 
     @Override