You are getting the details wrong (I was there). This was the single DEX limit, and Google would just bump it in AOSP every time their own apps hit it (as their

You are getting the details wrong (I was there). This was the single DEX limit, and Google would just bump it in AOSP every time their own apps hit it (as their apps didn't support older OS versions). FB at the time was supporting back to froyo, which had a much lower limit than "modern" apps needed. See this note for more info: https://www.facebook.com/notes/10158791578712200/ https://www.facebook.com/notes/10158791578712200/