Apply even more fixups

- Finish cleaning up the stdio unlocked APIs
- Make __cxa_finalize() properly thread safe
- Don't log locks if threads aren't being used
- Add some more mutex guards to places using _mmi
- Specific lock names now appear in the --ftrace logs
- Fix mkdeps.com generating invalid Makefiles sometimes
- Simplify and fix bugs in the test runner infrastructure
- Fix issue where sometimes some functions wouldn't be logged

third_party/zlib/puff.c

@@ -131,7 +131,7 @@ struct state {
  *   buffer, using shift right, and new bytes are appended to the top of the
  *   bit buffer, using shift left.
  */
-static int bits(struct state *s, int need) {
+static noinstrument int bits(struct state *s, int need) {
   long val; /* bit accumulator (can use up to 20 bits) */
 
   /* load at least need bits into val */