Change init to use libfs_mgr to mount filesystems.

The new fs_mgr library moves much of the knowledge of what filesystems
to mount into a new fstab.<device> file, and just calls one function to
mount all the filesystems.

Change-Id: If3db37530a0676000cba3e679db27aca734227e5
diff --git a/init/keywords.h b/init/keywords.h
index 307c084..97d4950 100644
--- a/init/keywords.h
+++ b/init/keywords.h
@@ -12,6 +12,7 @@
 int do_ifup(int nargs, char **args);
 int do_insmod(int nargs, char **args);
 int do_mkdir(int nargs, char **args);
+int do_mount_all(int nargs, char **args);
 int do_mount(int nargs, char **args);
 int do_restart(int nargs, char **args);
 int do_restorecon(int nargs, char **args);
@@ -60,6 +61,7 @@
     KEYWORD(import,      SECTION, 1, 0)
     KEYWORD(keycodes,    OPTION,  0, 0)
     KEYWORD(mkdir,       COMMAND, 1, do_mkdir)
+    KEYWORD(mount_all,   COMMAND, 1, do_mount_all)
     KEYWORD(mount,       COMMAND, 3, do_mount)
     KEYWORD(on,          SECTION, 0, 0)
     KEYWORD(oneshot,     OPTION,  0, 0)