klte-common: Add custom /proc/ nodes to fd whitelist

* Now Zygote requires doing so ;-;

Change-Id: I3a1710e69f8b86e5089db15ca68f4a811d512bac

include/fd_utils-inl-extra.h

@@ -0,0 +1,18 @@
+/*
+ * 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.
+ */
+
+#define PATH_WHITELIST_EXTRA_H \
+    "/proc/sys/kernel/boot_reason",