qcom-common: Include healthd charging images

Looks like the images are actually optional, so we need to
explicitly add them to the build so they're included from the
healthd sources.

Change-Id: I49373bcdda2eb849d85ec6bab6f5138f38a7d7b6
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_device_samsung_qcom-common into cm-12.0