ANDROID: fuse-bpf: Use stored bpf for create_open

create_open would always take its parent directory's bpf for the created
object. Modify to use the bpf stored in fuse_dentry which is set by
lookup.

Bug: 291705489
Test: fuse_test passes, adb push file /sdcard/Android/data works
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I0a1ea2a291a8fdf67923f1827176b2ea96bd4c2d