JGit: Adapt to the split of jsch code in own artifact

Since: [1] and corresponding issue: [2] JCraft JSch code is extracted in
its own artifact: @jgit//org.eclipse.jgit.ssh.jsch:ssh-jsch. Adapt the
code correspondingly to that split.

This change is updating JGit module. The change we need:

8d2d68365 Decouple JSch from JGit Core

[1] https://git.eclipse.org/r/#/c/156153
[2] https://bugs.eclipse.org/bugs/show_bug.cgi?id=553625

Change-Id: I4a1f5f4ffbbf07b4455780c1b82b8d9005377585

java/com/google/gerrit/acceptance/BUILD

@@ -39,6 +39,7 @@ DEPLOY_ENV = [
     "//lib:gson",
     "//lib:guava-retrying",
     "//lib:jgit",
+    "//lib:jgit-ssh-jsch",
     "//lib:jsch",
     "//lib/commons:compress",
     "//lib/commons:lang",

lib/BUILD

@@ -46,6 +46,13 @@ java_library(
     ],
 )
 
+java_library(
+    name = "jgit-ssh-jsch",
+    data = ["//lib:LICENSE-jgit"],
+    visibility = ["//visibility:public"],
+    exports = ["@jgit//org.eclipse.jgit.ssh.jsch:ssh-jsch"],
+)
+
 java_library(
     name = "jgit-archive",
     data = ["//lib:LICENSE-jgit"],

plugins/BUILD

@@ -71,6 +71,7 @@ EXPORTS = [
     "//lib/jackson:jackson-core",
     "//lib:jgit-servlet",
     "//lib:jgit",
+    "//lib:jgit-ssh-jsch",
     "//lib:jsr305",
     "//lib/log:api",
     "//lib/log:log4j",

tools/bzl/pkg_war.bzl

@@ -23,6 +23,7 @@ LIBS = [
     "//lib/bouncycastle:bcprov",
     "//lib/bouncycastle:bcpg",
     "//lib/log:impl-log4j",
+    "//lib:jgit-ssh-jsch",
     "//prolog:gerrit-prolog-common",
     "//resources:log4j-config",
 ]

tools/eclipse/project.py

@@ -181,6 +181,8 @@ def gen_classpath(ext):
         classpathentry('src', 'modules/jgit/org.eclipse.jgit.http.server/src')
         classpathentry('src', 'modules/jgit/org.eclipse.jgit.http.server/resources')
         classpathentry('src', 'modules/jgit/org.eclipse.jgit.junit/src')
+        classpathentry('src', 'modules/jgit/org.eclipse.jgit.ssh.jsch/src')
+        classpathentry('src', 'modules/jgit/org.eclipse.jgit.ssh.jsch/resources')
 
     def classpathentry(kind, path, src=None, out=None, exported=None, excluding=None):
         e = doc.createElement('classpathentry')