Replace rlottie submodule with Kartatz/rlottie fork

- Updated submodule URL from https://github.com/dkaraush/rlottie.git
  to https://github.com/Kartatz/rlottie.git
- Updated submodule commit from d9d6ad574 to 0b624e98c
  (includes build fixes after rebase onto latest upstream)

Author: Kartatz

.gitmodules

@@ -30,4 +30,4 @@
 	url = https://github.com/tdlib/td
 [submodule "TMessagesProj/jni/rlottie"]
 	path = TMessagesProj/jni/rlottie
-	url = https://github.com/dkaraush/rlottie.git
+	url = https://github.com/Kartatz/rlottie.git