RFR 8215224: Update Graal

[Igor Veresov]

JBS: https://bugs.openjdk.java.net/browse/JDK-8215224
Webrev: http://cr.openjdk.java.net/~iveresov/8215224/webrev.00/

This update fixes 8201248 [AOT] AssertionError: duplicate classes for name Ljava/io/PrintStream


The list of changes included in this update:
5e995dde2da Mon Dec 10 12:27:49 2018 -0800 Igor Veresov [GR-12953] Use equals() to compare ResolvedJavaType. 
36ee3108d2a Mon Dec 10 09:51:29 2018 -0800 Tom Rodriguez [GR-12934] Snippet and substitutions changes for libgraal. 
bce825c5ba8 Mon Dec 10 01:27:27 2018 -0800 Doug Simon [GR-12952] Fix weekly failures. 
c3f244929ce Fri Dec 7 11:42:50 2018 -0800 Doug Simon [GR-12936] Made invoke kind and return type available for intrinsification during PE graph decoding.

Thanks,
igor