Convert all selinux_android_restorecon and _setfilecon calls to new API.

libselinux selinux_android_restorecon API is changing to the more
general interface with flags and dropping the older variants.

Also get rid of the old, no longer used selinux_android_setfilecon API
and rename selinux_android_setfilecon2 to it as it is the only API in use.

Change-Id: I1e71ec398ccdc24cac4ec76f1b858d0f680f4925
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
diff --git a/init/util.c b/init/util.c
index e772342..0f69e1c 100644
--- a/init/util.c
+++ b/init/util.c
@@ -527,10 +527,10 @@
 
 int restorecon(const char* pathname)
 {
-    return selinux_android_restorecon(pathname);
+    return selinux_android_restorecon(pathname, 0);
 }
 
 int restorecon_recursive(const char* pathname)
 {
-    return selinux_android_restorecon_recursive(pathname);
+    return selinux_android_restorecon(pathname, SELINUX_ANDROID_RESTORECON_RECURSE);
 }