My goof. Had a receiver with the following action registered in the manifest. Just in case someone else has the same issue:
<action android:name="android.intent.action.MEDIA_BUTTON" /> -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/4117373b-ad2f-4f9e-8ad6-d65d24b75934%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
