hasvk: include "vk_android.h" header in anv_android.c

hasvk: include "vk_android.h" header in anv_android.c

Fixes the following building errors:

../src/intel/vulkan_hasvk/anv_android.c:387:34: error: implicit declaration of function 'vk_alloc_ahardware_buffer' is invalid in C99 [-Werror,-
Wimplicit-function-declaration]
   struct AHardwareBuffer *ahw = vk_alloc_ahardware_buffer(pAllocateInfo);
                                 ^
../src/intel/vulkan_hasvk/anv_android.c:387:28: error: incompatible integer to pointer conversion initializing 'struct AHardwareBuffer *' with an expression of type 'int' [-Werror,-Wint-conversion]
   struct AHardwareBuffer *ahw = vk_alloc_ahardware_buffer(pAllocateInfo);
                           ^     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.

Fixes: b16cfe23 ("vulkan,anv,hasvk,radv: Unify Android hardware buffer creation")
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22251>