KT-4727 J2K: Convert Java code copied from browser or other sources

#KT-4727 Fixed

idea/testData/copyPaste/plainTextConversion/IntoRawStringLiteral.expected.kt

@@ -0,0 +1,7 @@
+fun foo() {
+    val v = """
+ArrayList<String> list = new ArrayList<String>();
+// NO_CONVERSION_EXPECTED
+
+"""
+}