bump java.interop.

atsushieno · atsushieno · commit b87ea12f76f6 · 2018-07-26T02:33:37.000+09:00
diff --git a/external/Java.Interop b/external/Java.Interop
@@ -1 +1 @@
-Subproject commit 5efe5c29a0f0e1b7e80bc0b51d847c339d438f9a
+Subproject commit 7a1bda9fbbfb8c6d3f2dc101f5fbb5a2b922e4f0
