Try dotnet/java-interop#1323

Context: dotnet/java-interop#1323
Context: #9862 (comment)

Does It Build™?

(The expectation is that it *does* build -- only unit tests are changed
in dotnet/java-interop#1323 -- but that the new
`JniRuntimeJniValueManagerContract.cs.CreatePeer_ReplaceableDoesNotReplace()`
test will fail.)`

Author: jonpryor

.gitmodules

@@ -13,7 +13,7 @@
 [submodule "external/Java.Interop"]
     path = external/Java.Interop
     url = https://github.com/dotnet/java-interop
-    branch = main
+    branch = dev/jonp/jonp-assert-replacable-semantics
 [submodule "external/libunwind"]
     path = external/libunwind
     url = https://github.com/libunwind/libunwind.git