Android: fix a missing nir_intrinsics.h error

The commit 76dfed8ae2 changed nir_intrinsics.h to be a generated
header, but the corresponding dependency was not updated for Android.
It causes the error:

[  0% 19/4336] target  C: libmesa_pipe_radeonsi <= external/mesa/src/gallium/drivers/radeonsi/si_debug.c
...
In file included from external/mesa/src/gallium/drivers/radeonsi/si_debug.c:25:
In file included from external/mesa/src/gallium/drivers/radeonsi/si_pipe.h:28:
In file included from external/mesa/src/gallium/drivers/radeonsi/si_shader.h:140:
In file included from external/mesa/src/amd/common/ac_llvm_build.h:30:
external/mesa/src/compiler/nir/nir.h:966:10: fatal error: 'nir_intrinsics.h' file not found
         ^~~~~~~~~~~~~~~~~~
1 error generated.

Fixes: 76dfed8ae2 ("nir: mako all the intrinsics")
Signed-off-by: Chih-Wei Huang <cwhuang@linux.org.tw>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Mauro Rossi <issor.oruam@gmail.com>

src/compiler/Android.nir.gen.mk

@@ -46,6 +46,7 @@ LOCAL_GENERATED_SOURCES += $(addprefix $(intermediates)/, \
 # Modules using libmesa_nir must set LOCAL_GENERATED_SOURCES to this
 MESA_GEN_NIR_H := $(addprefix $(call local-generated-sources-dir)/, \
 	nir/nir_opcodes.h \
+	nir/nir_intrinsics.h \
 	nir/nir_builder_opcodes.h)
 
 nir_builder_opcodes_gen := $(LOCAL_PATH)/nir/nir_builder_opcodes_h.py

src/gallium/drivers/radeonsi/Android.mk

@@ -46,6 +46,8 @@ LOCAL_MODULE := libmesa_pipe_radeonsi
 
 intermediates := $(call local-generated-sources-dir)
 
+# We need to get NIR's generated headers.
+LOCAL_GENERATED_SOURCES := $(MESA_GEN_NIR_H)
 LOCAL_GENERATED_SOURCES += $(addprefix $(intermediates)/radeonsi/,$(GENERATED_SOURCES))
 
 GEN_DRIINFO_INPUTS := \