NetBpfLoad: change condition for writing 'unprivileged_bpf_disabled' sysctl

(and add a few more comments for what access is needed in general)

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I2aa596f4f2d34179bb36360ad1c9a795fbb97d0d
1 file changed