Add an installd command to mark the end of boot.

bug: 18280671

(cherry picked from commit b1a6c2f95a455aa2829340fcc8d233493855f4d4)

Change-Id: I97542875ffff1b68ab324e9b04fb9266c82633cc
diff --git a/cmds/installd/installd.h b/cmds/installd/installd.h
index 36c3e8c..a3a5c16 100644
--- a/cmds/installd/installd.h
+++ b/cmds/installd/installd.h
@@ -221,6 +221,7 @@
 int free_cache(int64_t free_size);
 int dexopt(const char *apk_path, uid_t uid, bool is_public, const char *pkgName,
            const char *instruction_set, bool vm_safe_mode, bool should_relocate);
+int mark_boot_complete(const char *instruction_set);
 int movefiles();
 int linklib(const char* target, const char* source, int userId);
 int idmap(const char *target_path, const char *overlay_path, uid_t uid);