omni: add omni charging images

to use add the following to device:

 PRODUCT_PACKAGES += \
    omni_charger_res_images
    
and for bigger text
BOARD_USE_CUSTOM_RECOVERY_FONT := \"roboto_23x41.h\"

Change-Id: I6f7a949863d4528fc617f76b8dcb76a0a2ee498c
7 files changed
tree: 4c83c2d19d85e5a7d4586426e4ac82fc0b7221f1
  1. build/
  2. charger/
  3. config/
  4. overlay/
  5. prebuilt/
  6. sepolicy/
  7. utils/
  8. Android.mk