RFR: 8194898: Move OopStorage inline definitions to an .inline.hpp

[Kim Barrett]

Please review this code reorg for the recently added OopStorage.
During the review of OopStorage (JDK-8194312) it was requested that
the inline member function definitions and inner class definitions be
moved to .inline.hpp file(s).

The changes are:

(1) ParState and BasicParState are moved to the new file
oopStorageParState.inline.hpp. Also moved AlwaysTrueFn into BasicParState,
which is the only user.

(2) Moved the inline member function to the new file oopStorage.inline.hpp,
along with most of the inner class definitions.  The complete definitions of
BlockEntry and BlockList remain within the OopStorage definition, as they are
needed for member types.

(3) Added inline qualifiers to public OopStorage function declarations
when the function definition is in an inline header.  This may produce
better error messages by some compilers when the inline header is
needed but not included.

Note: This change will likely have a simple merge conflict (unrelated
nearby changes to oopStorage.hpp) with the fix for JDK-8195691.  Since
I'm sponsoring the latter, I'll deal with that when the time comes,
for whichever order these changes end up being pushed.

CR:
https://bugs.openjdk.java.net/browse/JDK-8194898

Webrev:
http://cr.openjdk.java.net/~kbarrett/8194898/open.00/

Testing:
hs-tier1,2,3