To fix the warning in RefBase destructor.
Test: NDK CTS tests, and ARCore measure app.
Bug: 112775599
Change-Id: Ia448ac6d7e6c17699c16d287f65fc2826c9d7578
Move libmediandk and libcamera2ndk headers into their module
and export them from there. Also move them to the same path
relative to the export as used in the NDK, media/ for
libmediandk and camera/ for libcamera2ndk.
Test: builds
Change-Id: I0b424e0e48bfb5e2b762694a97d799de08f5dda3