Use clang-format on more files.

Also fix some TODO comments.

Bug: None
Change-Id: Ia075ec1ccda16dbf388a1c4f37c4f0241892c4f6
diff --git a/libconstants.h b/libconstants.h
index 865f9d3..c289955 100644
--- a/libconstants.h
+++ b/libconstants.h
@@ -6,8 +6,8 @@
 #define MINIJAIL_LIBCONSTANTS_H_
 
 struct constant_entry {
-  const char *name;
-  unsigned long value;
+	const char *name;
+	unsigned long value;
 };
 
 extern const struct constant_entry constant_table[];