Use frozen copy of ion.h for this code.

Use the ion.h copy in system/core/libion since it's frozen.

Bug: 64175711

Test: Builds.
Change-Id: I457c8842ada2624759dc5e58dcd4a2127d53c7d7
1 file changed
tree: 62e6ee0cee4008e0862c44d8eb89aa043677c6cf
  1. ISV/
  2. ituxd/
  3. media_resource_manager/