Sync JVMCI changes from labsjdk-11 repo which are not in graal-jvmci-8.

[PATCH 17] fixed checkstyle and Eclipse issues, synced some tests from jvmci-8
[PATCH 22] do not intrinsify methods loaded by the app class loader
[PATCH 23] handle other case in findUniqueConcreteMethod where the method can be statically bound
[PATCH 26] pass saved system properties to JVMCI shared library
[PATCH 55] Sync some missing VirtualObject changes