Added nssversion_info test
Added nssversion_info test

This test logs version info of a few NSS components on the device,
gathered through marionette.

oouyang/fxos-certsuite,askeing/fxos-certsuite,mozilla-b2g/fxos-certsuite,oouyang/fxos-certsuite,ypwalter/fxos-certsuite,mozilla-b2g/fxos-certsuite,mozilla-b2g/fxos-certsuite,oouyang/fxos-certsuite,ShakoHo/fxos-certsuite,cr/fxos-certsuite,ypwalter/fxos-certsuite,Conjuror/fxos-certsuite,ypwalter/fxos-certsuite,ShakoHo/fxos-certsuite,ShakoHo/fxos-certsuite,cr/fxos-certsuite,mozilla-b2g/fxos-certsuite,oouyang/fxos-certsuite,askeing/fxos-certsuite,ShakoHo/fxos-certsuite,Conjuror/fxos-certsuite,askeing/fxos-certsuite,oouyang/fxos-certsuite,oouyang/fxos-certsuite,Conjuror/fxos-certsuite,oouyang/fxos-certsuite,cr/fxos-certsuite,cr/fxos-certsuite,Conjuror/fxos-certsuite,mozilla-b2g/fxos-certsuite,askeing/fxos-certsuite,askeing/fxos-certsuite,Conjuror/fxos-certsuite,ypwalter/fxos-certsuite,askeing/fxos-certsuite,ypwalter/fxos-certsuite,askeing/fxos-certsuite,ShakoHo/fxos-certsuite,ShakoHo/fxos-certsuite,mozilla-b2g/fxos-certsuite,cr/fxos-certsuite,mozilla-b2g/fxos-certsuite,cr/fxos-certsuite,ShakoHo/fxos-certsuite,Conjuror/fxos-certsuite,ypwalter/fxos-certsuite,Conjuror/fxos-certsuite,ypwalter/fxos-certsuite,cr/fxos-certsuite