Update to osal master to include FastTracked nasa/osal#503 and nasa/osal#510

Gerardo E. Cruz-Ortiz · Gerardo E. Cruz-Ortiz · commit f5156de03430 · 2020-06-17T17:37:26.000-04:00
diff --git a/osal b/osal
@@ -1 +1 @@
-Subproject commit 4258f8c33bcb0c403bc94e389b1b687ae53673c8
+Subproject commit bc73437ea95af54078ba40ce4001a567b1bbc393
