gtest: add license hash
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 8eee2fbf09e56f7a3db86302a8d693391ef04630)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>