android: radeonsi: fix build after vl refactoring (v2)

vl functions moved from radeonsi to gallium/auxiliary/vl have left
android build of radeonsi in broken state.

libmesa_galliumvl static is need to build readeonsi,
gallium_dri building rules are reworked to avoid multiple symbols
and libmesa_galliumvl static dependency is needed in radeonsi.

Here is the changelog:
- android: gallium/auxiliary: add libmesa_galliumvl static
- android: gallium_dri: move libmesa_gallium to static to prevent multiple symbols
- android: radeonsi: fix build after vl refactoring

Fixes the following building error:

external/mesa/src/gallium/drivers/radeonsi/si_uvd.c:47:
error: undefined reference to 'vl_video_buffer_create_as_resource'
clang.real: error: linker command failed with exit code 1 (use -v to see invocation)

Fixes: 86e60bc2 ("radeonsi: remove si_vid_join_surfaces and use combined planar allocations")
Signed-off-by: Mauro Rossi <issor.oruam@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
(cherry picked from commit 96aef08d)
Conflicts Resolved by Dylan Baker

Conflicts:
	src/gallium/targets/dri/Android.mk

Panfrost is not enabled for android in 19.3, and the series is a bit
bigger than I'd like to pull into the stable branch for a .0 release