libstagefright/libmediaplayerservice: include device-specific media headers

commit fa2d4e1a6cf3cdb767f601463459c65f1466a702
Author: Giulio Cervera <giulio.cervera@cyanogenmod.org>
Date:   Fri Sep 27 15:23:44 2013 +0200

    cleanup media variant ifdef

    Change-Id: Iedc6cfcaa6706c6614a638cede7fd560d104d8a2

commit 89d27bad6810d5c7be29b0529ec560dda0453efc
Author: Nick Reuter <nreuter85@gmail.com>
Date:   Thu Aug 15 00:56:49 2013 -0500

    libmediaplayerservice: fix for media-legacy usage

    Change-Id: Idc6b0d9e976ece23d73ef81cebf72c4e6905647a

commit 8807ac7d2719be17ff80c42abd1901ad33b30a1d
Author: Nick Reuter <nreuter85@gmail.com>
Date:   Sun Aug 4 21:10:01 2013 -0500

    libstagefright: support media-legacy usage

    Change-Id: Ibcac0333ed4f79d71b38c26eba8cc665f2532cd0