Bump to xamarin/xamarin-android-tools/main @ 554d45a

jpobst · jpobst · commit 6ffabbadc799 · 2021-03-08T11:28:41.000-06:00
diff --git a/external/xamarin-android-tools b/external/xamarin-android-tools
@@ -1 +1 @@
-Subproject commit 479931ce1449b39c0165315fc103e7e12812f34b
+Subproject commit 554d45a166a02da0ca1d0d9ca895eaa650fb648a
