Summary: Add JDK code of the Wisp implementation

Test Plan: all Wisp tests

Reviewed-by: yuleil, shiyuexw, sanhong

Issue: https://github.com/alibaba/dragonwell8/issues/113

Reviewed-by: dholmes, alanb, rriggs

Reviewed-by: erikj, dholmes

Summary: Introduce alignment-safe Copy::conjoint_swap and JVM_CopySwapMemory
Reviewed-by: mikael, dholmes

Summary: Introduce alignment-safe Copy::conjoint_swap and JVM_CopySwapMemory
Reviewed-by: mikael, dholmes

Reviewed-by: sherman, phh

Reviewed-by: alanb, sherman, ahgross, jeff

Reviewed-by: alanb, sherman, ahgross, jeff

Summary: Backed out changeset 018769d53c80
Reviewed-by: coffeys

Summary: Wrap further native methods in FileInputStreams
Reviewed-by: chegar, bpb, rriggs
Contributed-by: sunny.chan@gs.com

Reviewed-by: chegar, rriggs, igerasim, skoivu, rhalade

Reviewed-by: chegar, rriggs, igerasim, skoivu, rhalade

Reviewed-by: sherman, jeff

Reviewed-by: sherman, jeff

Reviewed-by: sherman, phh

Reviewed-by: coffeys, igerasim

Reviewed-by: sherman

Reviewed-by: alanb, chegar

Reviewed-by: chegar, xuelei

Reviewed-by: chegar, xuelei

Reviewed-by: chegar, xuelei

Reviewed-by: sherman, phh

8080486: JNI exception pending in jdk/src/java.base/windows/native/libnet/DualStackPlainSocketImpl.c
Reviewed-by: alanb, chegar, igerasim
Contributed-by: vyom.tewari@oracle.com

Reviewed-by: mchung, alanb

Reviewed-by: alanb, sherman

Summary: Implemented the interface in sun.misc.URLClassPath and corresponding JVM_XXX APIs
Reviewed-by: mchung, acorn, jiangli, dholmes

Summary: Wrap some native methods in Java methods.
Reviewed-by: rriggs

Summary: To support zip entry with null character(s) embedded
Reviewed-by: alanb, weijun

Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene

Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene

Summary: To support zip entry with null character(s) embedded
Reviewed-by: alanb, weijun

Reviewed-by: alanb
Contributed-by: kirk.shoop@microsoft.com, v-valkop@microsoft.com

Summary: Add classLoader to java/lang/Class instance for fast access
Reviewed-by: alanb, lfoltan, rriggs, vlivanov, twisti, mchung, jfranck, dholmes

Reviewed-by: naoto

Reviewed-by: okutsu

Summary: Improve protection domain check in forName()
Reviewed-by: mchung, acorn, jdn

Summary: to upgrade zlib version from 1.2.5 to 1.2.8
Reviewed-by: alanb

Reviewed-by: mchung

Reviewed-by: alanb, dsamersoff, jbachorik

Reviewed-by: alanb, michaelm