Android.mk: Disable tools that do not build for android

Disable the tools / demo code that do not currently build
for android until they can be fixed.

Affected tools / demos
intel_display_crc
intel_sprite_on

v2: intel_display_crc compiled conditionally on ANDROID_HAS_CAIRO
flag.
v3: removed intel_reg from the skip list as Thomas has prepared
a patch to fix it for Android.

Signed-off-by: Derek Morton <derek.j.morton@intel.com>
Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2 files changed