domain.te & kernel.te: allow kernel to write nativetest_data_file

to workaround some VTS VtsKernelLtp failures introduced by
change on vfs_iter_write here:
https://android.googlesource.com/kernel/hikey-linaro/+/abbb65899aecfc97bda64b6816d1e501754cfe1f%5E%21/#F3

for discussion please check threads here:
https://www.mail-archive.com/seandroid-list@tycho.nsa.gov/msg03348.html



Sandeep suggest to re-order the events in that thread,
that should be the right solution,
this change is only a tempory workaround before that change.

Bug: 79528964
Test: manually with -m VtsKernelLtp -t VtsKernelLtp#fs.fs_fill_64bit

Change-Id: I3f46ff874d3dbcc556cfbeb27be21878574877d1
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
(cherry picked from commit 64ff9e95)
Merged-In: I3f46ff874d3dbcc556cfbeb27be21878574877d1