hg: jdk/sandbox: Initial commit of new RNG code from GLS

[brian.goetz at oracle.com]

Changeset: b1e6bc96af3d
Author:    briangoetz
Date:      2019-06-04 13:07 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/b1e6bc96af3d

Initial commit of new RNG code from GLS

+ src/java.base/share/classes/java/util/AbstractArbitrarilyJumpableRng.java
+ src/java.base/share/classes/java/util/AbstractSharedRng.java
+ src/java.base/share/classes/java/util/AbstractSpliteratorRng.java
+ src/java.base/share/classes/java/util/AbstractSplittableRng.java
+ src/java.base/share/classes/java/util/ArbitrarilyJumpableRng.java
+ src/java.base/share/classes/java/util/DoubleZigguratTables.java
+ src/java.base/share/classes/java/util/JumpableRng.java
+ src/java.base/share/classes/java/util/L128X256MixRandom.java
+ src/java.base/share/classes/java/util/L32X64MixRandom.java
+ src/java.base/share/classes/java/util/L64X1024MixRandom.java
+ src/java.base/share/classes/java/util/L64X1024Random.java
+ src/java.base/share/classes/java/util/L64X128MixRandom.java
+ src/java.base/share/classes/java/util/L64X128Random.java
+ src/java.base/share/classes/java/util/L64X256MixRandom.java
+ src/java.base/share/classes/java/util/L64X256Random.java
+ src/java.base/share/classes/java/util/LeapableRng.java
+ src/java.base/share/classes/java/util/MRG32k3a.java
! src/java.base/share/classes/java/util/Random.java
+ src/java.base/share/classes/java/util/Rng.java
+ src/java.base/share/classes/java/util/RngSupport.java
! src/java.base/share/classes/java/util/SplittableRandom.java
+ src/java.base/share/classes/java/util/SplittableRng.java
+ src/java.base/share/classes/java/util/StreamableRng.java
+ src/java.base/share/classes/java/util/Xoroshiro128Plus.java
+ src/java.base/share/classes/java/util/Xoroshiro128StarStar.java
+ src/java.base/share/classes/java/util/Xoshiro256StarStar.java
! src/java.base/share/classes/java/util/concurrent/ThreadLocalRandom.java