travis: add libXrandr and its randrproto dependency

Fixes: 3f960c1338 "vulkan: EXT_acquire_xlib_display requires libXrandr headers to build"
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>

.travis.yml

@@ -18,6 +18,8 @@ env:
     - LIBPCIACCESS_VERSION=libpciaccess-0.13.4
     - LIBDRM_VERSION=libdrm-2.4.74
     - XCBPROTO_VERSION=xcb-proto-1.13
+    - RANDRPROTO_VERSION=randrproto-1.3.0
+    - LIBXRANDR_VERSION=libXrandr-1.3.0
     - LIBXCB_VERSION=libxcb-1.13
     - LIBXSHMFENCE_VERSION=libxshmfence-1.2
     - LIBVDPAU_VERSION=libvdpau-1.1
@@ -543,6 +545,14 @@ install:
       tar -jxvf $LIBDRM_VERSION.tar.bz2
       (cd $LIBDRM_VERSION && ./configure --prefix=$HOME/prefix --enable-vc4 --enable-freedreno --enable-etnaviv-experimental-api && make install)
 
+      wget $XORG_RELEASES/proto/$RANDRPROTO_VERSION.tar.bz2
+      tar -jxvf $RANDRPROTO_VERSION.tar.bz2
+      (cd $RANDRPROTO_VERSION && ./configure --prefix=$HOME/prefix && make install)
+
+      wget $XORG_RELEASES/lib/$LIBXRANDR_VERSION.tar.bz2
+      tar -jxvf $LIBXRANDR_VERSION.tar.bz2
+      (cd $LIBXRANDR_VERSION && ./configure --prefix=$HOME/prefix && make install)
+
       wget $XORG_RELEASES/lib/$LIBXSHMFENCE_VERSION.tar.bz2
       tar -jxvf $LIBXSHMFENCE_VERSION.tar.bz2
       (cd $LIBXSHMFENCE_VERSION && ./configure --prefix=$HOME/prefix && make install)