Add back previously removed dependencies

Change-Id: I8438c5d6b7fb8f77d46c8a71ab6947d7c54d9826
diff --git a/debian/build-deps b/debian/build-deps
index d6fbb43..91f4f76 100644
--- a/debian/build-deps
+++ b/debian/build-deps
@@ -22,5 +22,6 @@
 libvisual-0.4-dev (>= 0.4.0)
 dpkg-dev (>= 1.15.1)
 iso-codes
+libgtk-3-dev (>= 3.10)
 zlib1g-dev
 libopus-dev (>= 0.9.4)
diff --git a/debian/control b/debian/control
index 74116a7..99ef7b8 100644
--- a/debian/control
+++ b/debian/control
@@ -2,7 +2,7 @@
 Section: libs
 Priority: optional
 Maintainer: AIY Projects <support-aiyprojects@google.com>
-Build-Depends: libgstreamer1.0-dev (>= 1.12.0), libasound2-dev (>= 0.9.0) [linux-any] , libgudev-1.0-dev (>= 143) [linux-any], autotools-dev, automake (>= 1.14), autoconf (>= 2.69), libtool (>= 2.2.6), dh-autoreconf, autopoint (>= 0.17), cdbs (>= 0.4.93~), debhelper (>= 10), gnome-pkg-tools (>= 0.7), pkg-config (>= 0.11.0), libxv-dev (>= 6.8.2.dfsg.1-3), libxt-dev (>= 6.8.2.dfsg.1-3), libvorbis-dev (>= 1.0.0-2), libcdparanoia-dev (>= 3.10.2) [!hurd-i386], liborc-0.4-dev (>= 1:0.4.24), libpango1.0-dev (>= 1.16.0), libtheora-dev (>= 1.1), libglib2.0-dev (>= 2.40), zlib1g-dev (>= 1:1.1.4), libvisual-0.4-dev (>= 0.4.0), dpkg-dev (>= 1.15.1), iso-codes, zlib1g-dev, libopus-dev (>= 0.9.4)
+Build-Depends: libgstreamer1.0-dev (>= 1.12.0), libasound2-dev (>= 0.9.0) [linux-any] , libgudev-1.0-dev (>= 143) [linux-any], autotools-dev, automake (>= 1.14), autoconf (>= 2.69), libtool (>= 2.2.6), dh-autoreconf, autopoint (>= 0.17), cdbs (>= 0.4.93~), debhelper (>= 10), gnome-pkg-tools (>= 0.7), pkg-config (>= 0.11.0), libxv-dev (>= 6.8.2.dfsg.1-3), libxt-dev (>= 6.8.2.dfsg.1-3), libvorbis-dev (>= 1.0.0-2), libcdparanoia-dev (>= 3.10.2) [!hurd-i386], liborc-0.4-dev (>= 1:0.4.24), libpango1.0-dev (>= 1.16.0), libtheora-dev (>= 1.1), libglib2.0-dev (>= 2.40), zlib1g-dev (>= 1:1.1.4), libvisual-0.4-dev (>= 0.4.0), dpkg-dev (>= 1.15.1), iso-codes, libgtk-3-dev (>= 3.10), zlib1g-dev, libopus-dev (>= 0.9.4)
 Standards-Version: 3.9.3
 Homepage: http://gstreamer.freedesktop.org/modules/gst-plugins-base.html