Add a "dbus" AID for running dbus-daemon.

Bug: 22328216
Change-Id: I8478f57d892c6edeb6b101cfa8b38dc5c6262cb2

include/private/android_filesystem_config.h

@@ -77,6 +77,7 @@
 #define AID_SDCARD_ALL    1035  /* access all users external storage */
 #define AID_LOGD          1036  /* log daemon */
 #define AID_SHARED_RELRO  1037  /* creator of shared GNU RELRO files */
+#define AID_DBUS          1038  /* dbus-daemon IPC broker process */
 
 #define AID_SHELL         2000  /* adb and debug shell user */
 #define AID_CACHE         2001  /* cache access */
@@ -168,6 +169,7 @@ static const struct android_id_info android_ids[] = {
     { "sdcard_all",    AID_SDCARD_ALL, },
     { "logd",          AID_LOGD, },
     { "shared_relro",  AID_SHARED_RELRO, },
+    { "dbus",          AID_DBUS, },
 
     { "shell",         AID_SHELL, },
     { "cache",         AID_CACHE, },