Add libdrm to sepolicy

bug: 143698833
Change-Id: I3322e5b4cb50d4efff04e9f95390867a29be40d7
diff --git a/sepolicy/common/file_contexts b/sepolicy/common/file_contexts
index 240bc49..2373463 100644
--- a/sepolicy/common/file_contexts
+++ b/sepolicy/common/file_contexts
@@ -55,6 +55,7 @@
 /vendor/lib(64)?/libGLESv2_enc\.so       u:object_r:same_process_hal_file:s0
 /vendor/lib(64)?/libvulkan_enc\.so       u:object_r:same_process_hal_file:s0
 /vendor/lib(64)?/libandroidemu\.so       u:object_r:same_process_hal_file:s0
+/vendor/lib(64)?/libdrm.so  u:object_r:same_process_hal_file:s0
 
 # data
 /data/vendor/mediadrm(/.*)?            u:object_r:mediadrm_vendor_data_file:s0