Include bluetooth cert in mac_permissions.xml

Also, rename the file_contexts file to match the new BT stack apex name
(com.android.bluetooth)

Test: TH
Bug: 236187653
Bug: 236192423
Ignore-AOSP-First: LSC

Change-Id: Ie610775d397d0a81f83e251ed3b5f73006bfd272
diff --git a/mac_permissions.mk b/mac_permissions.mk
index dbdf144..ad17b8f 100644
--- a/mac_permissions.mk
+++ b/mac_permissions.mk
@@ -22,7 +22,7 @@
 	$(hide) $(M4) --fatal-warnings -s $(PRIVATE_ADDITIONAL_M4DEFS) $(PRIVATE_KEYS) > $@
 
 # Should be synced with keys.conf.
-all_plat_keys := platform sdk_sandbox media networkstack shared testkey
+all_plat_keys := platform sdk_sandbox media networkstack shared testkey bluetooth
 all_plat_keys := $(all_plat_keys:%=$(dir $(DEFAULT_SYSTEM_DEV_CERTIFICATE))/%.x509.pem)
 
 $(LOCAL_BUILT_MODULE): PRIVATE_MAC_PERMS_FILES := $(all_plat_mac_perms_files)