Ant task: don't pass kotlin-runtime.jar to javac on "-no-stdlib"

compiler/testData/integration/ant/jvm/noStdlibForJavac/build.log.expected

@@ -0,0 +1,21 @@
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+    [mkdir] Created dir: [Temp]/classes
+    [javac] Compiling 1 source file to [Temp]/classes
+    [javac] Compiling [[TestData]] => [[Temp]/classes]
+    [javac] Running javac...
+    [javac] [TestData]/J.java:3: package kotlin does not exist
+    [javac] import kotlin.Unit;
+    [javac]              ^
+    [javac] 1 error
+
+ERR:
+
+BUILD FAILED
+[TestData]/build.xml:6: Compile failed; see the compiler error output for details.
+
+Total time: [time]
+
+Return code: 1