Updated packaging to include dlfcn header/s.

Signed-off-by: Tom Swindell <t.swindell@rubyx.co.uk>
Merge branch 'pkg-mer' into pkg-libhybris-aosp-android-4.2.2_r1.1
[hags] Updated packaging for libhybris-aosp-android-4.2.2_r1.1

Signed-off-by: Tom Swindell <t.swindell@rubyx.co.uk>