Makes libdrm available on host

... to make drm format header visible for host wayland server.

Adds -Wno-implicit-function-declaration for vasprintf() on
xf86drm.c:2965.

Adds -Wno-int-conversion for drm_mmap() on libdrm_macros.h:60.

Also, drive-by alphabetize cflags.

Bug: b/128842306
Test: locally built and ran cuttlefish with crosvm<-wayland->vnc
Change-Id: Ib6fb08cc893dfe000089acf34dcc1203759f9127
1 file changed