Add Int/Long.toString method to list skipping zero init on new arrays

Converting numbers to string does not require zeroed memory.
In case of int and long we already inline the methods.
Also the int.toString is an intrinsic candidate.

Signed-off-by: Ehsan Kiani Far <[email protected]>

Author: ehsankianifar

runtime/compiler/il/J9MethodSymbol.cpp

@@ -707,6 +707,8 @@ static TR::RecognizedMethod canSkipZeroInitializationOnNewarrays[] =
    //TR::java_lang_String_toUpperCaseCore,
    TR::java_lang_String_split_str_int,
    TR::java_math_BigDecimal_toString,
+   TR::java_lang_Integer_toString,
+   TR::java_lang_Long_toString,
    TR::java_lang_StringCoding_encode,
    TR::java_lang_StringCoding_decode,
    TR::java_lang_StringCoding_StringEncoder_encode,