Allow dumpstate to dumpsys gpu

Bug: 132402890
Test: adb bugreport and verify dumpsys gpu is included.
Change-Id: Ib145937889f9616a0dcdabb7b58839fb715bf6c3
diff --git a/private/gpuservice.te b/private/gpuservice.te
index ebfff76..9e17d06 100644
--- a/private/gpuservice.te
+++ b/private/gpuservice.te
@@ -31,6 +31,10 @@
 # Needed for interactive shell
 allow gpuservice devpts:chr_file { read write getattr };
 
+# Needed for dumpstate to dumpsys gpu.
+allow gpuservice dumpstate:fd use;
+allow gpuservice dumpstate:fifo_file write;
+
 add_service(gpuservice, gpu_service)
 
 # Only uncomment below line when in development