Update Android.mk with changes from AOSP libdrm

This fixes building AOSP components that make use of libdrm.
Without the modifications, they can't find the headers correctly.

Change-Id: I6fd7bc3ec8f4cc945294bdba3c797f0ec3fb4d11
Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>
2 files changed