Merge pull request #11726 from adrian-prantl/amazonlinux2

Workaround for Amazon Linux 2003

Author: shahmishal

lldb/test/API/lang/swift/observation/Makefile

@@ -1,4 +1,4 @@
 SWIFT_SOURCES := main.swift
 include Makefile.rules
 # Workaround for amazonlinux2003
-LD_EXTRAS=-lswift_Concurrency
+LD_EXTRAS=-lswiftCore -lswiftObservation -lswiftCore