drm_i915_query_perf_config::data is an unsized array and declaring a
struct containing an unsized array that isn't at the end is a GNU
extension which trips up Android builds. Instead, stuff both into a
char array of the appropriate size. This emulates what you'd normally
do to allocate one of these with malloc only on the stack.
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12308>