Add JNI tests for lambdas

(cherry picked from commit e9d2ca237620b0af28eed9fef52b09bddebdbc6f)

Bug: 27259142

Change-Id: I2a1b31db85dc487c1e6a62609d4497c3a4d4d3a6
diff --git a/test/004-JniTest/expected.txt b/test/004-JniTest/expected.txt
index 155c6ae..f7e404d 100644
--- a/test/004-JniTest/expected.txt
+++ b/test/004-JniTest/expected.txt
@@ -55,3 +55,6 @@
 DefaultInterface.JniCallSoftConflictMethod
 Calling method ConflictInterface->JniCallConflictDefaultMethod on object of type ConcreteClass
 EXCEPTION OCCURED: java.lang.IncompatibleClassChangeError: Conflicting default method implementations void ConflictInterface.JniCallConflictDefaultMethod()
+hi-lambda: λ
+hi-default δλ
+hi-default δλ