Refactor qemu_pipe.h to fix for goldfish needs

goldfish switches to qemu_pipe.h from goldfish-opengl.
This is required to replace gralloc in goldfish with
cbmanager.

Bug: 145244672
Test: boot
Change-Id: I02f98392752d28b1e78c0941aa113def35dbb77f
Signed-off-by: Roman Kiryanov <rkir@google.com>
2 files changed