Stop using LOCAL_COPY_HEADERS

All the users of this header are already using it as if
LOCAL_EXPORT_C_INCLUDE_DIRS has been set.

Bug: 130719878
Test: m libwifi-hal-qcom
Test: treehugger
Change-Id: I3c335b016208bfa5064f4a02f9f16447c6d29351
2 files changed
tree: 64150c9e2648c1177d3196d827442efb2e91f47a
  1. cld80211-lib/
  2. qcwcn/
  3. wcnss-service/
  4. Android.mk