hg: jdk/jdk: 8241616: Timestamps on ct.sym entries lead to non-reproducible builds

[jan.lahoda at oracle.com]

Changeset: a0a21978f3b9
Author:    jlahoda
Date:      2020-04-29 18:35 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/a0a21978f3b9

8241616: Timestamps on ct.sym entries lead to non-reproducible builds
Summary: Generate ct.sym in a reproducible way
Reviewed-by: ihse

! make/langtools/src/classes/build/tools/symbolgenerator/CreateSymbols.java
! make/langtools/src/classes/build/tools/symbolgenerator/TransitiveDependencies.java
! make/modules/jdk.compiler/Gendata.gmk
! test/langtools/tools/javac/platform/CanHandleClassFilesTest.java