Update bug_map to explicitly have the b/ prefix

This is part of a series of updates to bug_map across all of android
tree.

Bug: 141014771
Test: Generated a denial, verified that the bug id in the dmesg logs
remains unchanged.

Change-Id: Ica6a3b2ab35bdb1f2ad00af04d4999aacab74600
diff --git a/sepolicy/common/bug_map b/sepolicy/common/bug_map
index b241385..839b49e 100644
--- a/sepolicy/common/bug_map
+++ b/sepolicy/common/bug_map
@@ -1,17 +1,17 @@
-hal_wifi_default default_prop file 131598173
-hal_wifi_default vendor_default_prop property_service 131598173
-init unlabeled dir 131596633
-init vendor_toolbox_exec file 132695863
-installd device file 131595213
-kernel kernel system 131597442
-netd device file 131598170
-platform_app vendor_default_prop file 130684647
-priv_app property_socket sock_file 131598844
-priv_app varrun_file dir 131598844
-storaged device file 131598843
-toolbox unlabeled dir 131599097
-toolbox toolbox capability 131599097
-ueventd metadata_file dir 131594529
-vendor_init exported2_default_prop property_service 131601458
-init serial_device chr_file 134145307
-gsid device file 133324244
+hal_wifi_default default_prop file b/131598173
+hal_wifi_default vendor_default_prop property_service b/131598173
+init unlabeled dir b/131596633
+init vendor_toolbox_exec file b/132695863
+installd device file b/131595213
+kernel kernel system b/131597442
+netd device file b/131598170
+platform_app vendor_default_prop file b/130684647
+priv_app property_socket sock_file b/131598844
+priv_app varrun_file dir b/131598844
+storaged device file b/131598843
+toolbox unlabeled dir b/131599097
+toolbox toolbox capability b/131599097
+ueventd metadata_file dir b/131594529
+vendor_init exported2_default_prop property_service b/131601458
+init serial_device chr_file b/134145307
+gsid device file b/133324244