RFR: 8135292: Remove duplicate code in <OS>Address.java in SA

[Jayashree Huttanagoudar]

This PR is to address : https://bugs.openjdk.org/browse/JDK-8135292?jql=labels%20%3D%20starter-bug
Verified the build before and after the patch. Also below tests are run:
Before Patch:

$ make test TEST="jtreg:test/hotspot/jtreg/serviceability"
	==============================
	Test summary
	==============================
	   TEST                                              TOTAL  PASS  FAIL ERROR   
	>> jtreg:test/hotspot/jtreg/serviceability             316   314     1     1 <<
	==============================
	TEST FAILURE


After Patch:

$ make test TEST="jtreg:test/hotspot/jtreg/serviceability"
	==============================
	Test summary
	==============================
	   TEST                                              TOTAL  PASS  FAIL ERROR   
	>> jtreg:test/hotspot/jtreg/serviceability             316   314     1     1 <<
	==============================
	TEST FAILURE

-------------

Commit messages:
 - 8135292: Removed duplicate code in <OS>Address.java and related files in SA

Changes: https://git.openjdk.org/jdk/pull/9112/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9112&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8135292
  Stats: 36 lines in 11 files changed: 0 ins; 29 del; 7 mod
  Patch: https://git.openjdk.org/jdk/pull/9112.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9112/head:pull/9112

PR: https://git.openjdk.org/jdk/pull/9112