cm: Introduce performance feature xml.

Change-Id: I9c8cfa27f0b8cf41ff66d81724f92bd412763a65
TICKET: CYNGNOS-2294

config/cmsdk_common.mk

@@ -5,7 +5,8 @@ PRODUCT_COPY_FILES += \
     vendor/cm/config/permissions/org.cyanogenmod.statusbar.xml:system/etc/permissions/org.cyanogenmod.statusbar.xml \
     vendor/cm/config/permissions/org.cyanogenmod.profiles.xml:system/etc/permissions/org.cyanogenmod.profiles.xml \
     vendor/cm/config/permissions/org.cyanogenmod.appsuggest.xml:system/etc/permissions/org.cyanogenmod.appsuggest.xml \
-    vendor/cm/config/permissions/org.cyanogenmod.telephony.xml:system/etc/permissions/org.cyanogenmod.telephony.xml
+    vendor/cm/config/permissions/org.cyanogenmod.telephony.xml:system/etc/permissions/org.cyanogenmod.telephony.xml \
+    vendor/cm/config/permissions/org.cyanogenmod.performance.xml:system/etc/permissions/org.cyanogenmod.performance.xml
 
 # CM Platform Library
 PRODUCT_PACKAGES += \

config/permissions/org.cyanogenmod.performance.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The CyanogenMod Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<permissions>
+    <!-- The feature listed here coincides with the PerformanceManagerService declared as
+        part of the external cm service init in SystemServer. If this xml isn't present
+        on the device, the service will not be published as a binder service!
+    -->
+    <feature name="org.cyanogenmod.performance" />
+</permissions>