add dri device to zygote whitelisted FDs

The driver can be used just like /dev/ion for graphic buffers.

Bug: 31172436
Change-Id: I4f76e398b58a684f614f72ce7ef6bdd049ea7655
(cherry picked from commit 8977e424ee2d6d85fec419532ae510131aa88c45)
1 file changed