hg: graal/graal-jvmci-8: Change access to Method::_intrinsic_id back to u1 (JDK8 and JDK9 are different on this)

[doug.simon at oracle.com]

Changeset: 7e7573382a23
Author:    Stefan Anzinger <stefan.anzinger at oracle.com>
Date:      2015-10-29 13:13 +0100
URL:       http://hg.openjdk.java.net/graal/graal-jvmci-8/rev/7e7573382a23

Change access to Method::_intrinsic_id back to u1 (JDK8 and JDK9 are different on this)

! jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java