loader: don't limit the non-udev path to only android

Platforms that lack libudev (OpenBSD and possibly others) need
this change in order to load the correct dri driver.
Under linux we unconditionally require libudev, thus this code
will never get build.

v2: Add commit message (Emil Velikov)

Signed-off-by: Jonathan Gray <jsg@jsg.id.au>
Cc: "10.1" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>

src/loader/loader.c

@@ -202,7 +202,7 @@ out:
    return (*chip_id >= 0);
 }
 
-#elif defined(ANDROID) && !defined(__NOT_HAVE_DRM_H)
+#elif !defined(__NOT_HAVE_DRM_H)
 
 /* for i915 */
 #include <i915_drm.h>