hg: jdk9/dev/jdk: 8180574: tools/launcher/modules/patch/systemmodules/PatchSystemModules.java failed in upgradeHashedModule() and patchHashedModule() intermittently

[mandy.chung at oracle.com]

Changeset: 92d5e94796d9
Author:    mchung
Date:      2017-05-26 21:20 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/92d5e94796d9

8180574: tools/launcher/modules/patch/systemmodules/PatchSystemModules.java failed in upgradeHashedModule() and patchHashedModule() intermittently
Reviewed-by: alanb, bchristi

! test/tools/launcher/modules/patch/systemmodules/PatchSystemModules.java
+ test/tools/launcher/modules/patch/systemmodules/src1/m1/module-info.java
+ test/tools/launcher/modules/patch/systemmodules/src1/m1/p1/Main.java