system/core: Remove AID_GRAPHICS from adb groups

Remove AID_GRAPHICS from adb access groups to limit framebuffer
access.

Change-Id: I7fc6dca8b02a45d67d1ecc4a4daf6c38741ffb94
diff --git a/adb/adb.c b/adb/adb.c
index a6a4636..1834472 100644
--- a/adb/adb.c
+++ b/adb/adb.c
@@ -1348,14 +1348,13 @@
     ** AID_LOG to read system logs (adb logcat)
     ** AID_INPUT to diagnose input issues (getevent)
     ** AID_INET to diagnose network issues (netcfg, ping)
-    ** AID_GRAPHICS to access the frame buffer
     ** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump)
     ** AID_SDCARD_R to allow reading from the SD card
     ** AID_SDCARD_RW to allow writing to the SD card
     ** AID_NET_BW_STATS to read out qtaguid statistics
     */
-    gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_GRAPHICS,
-                       AID_NET_BT, AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW,
+    gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_NET_BT,
+                       AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW,
                        AID_NET_BW_STATS };
     if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
         exit(1);