Use the latest official ECJ 3.14.0

[valfirst]

Change list

Use the latest official ECJ 3.14.0

Types of changes

• No changes in production code.
• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Details

The old ECJ reference was bogus (see official confirmation: https://bugs.eclipse.org/bugs/show_bug.cgi?id=499019#c19) and didn't work properly with JDK9

[mykola-mokhnach]

Do we need the whole package?

[valfirst]

It seems, there are no other options.
In general, I'm not aware of historical reasons of ECJ usage, in theory simple javac can work as well.

[mykola-mokhnach]

javac cannot compile the solution and SeleniumHQ/selenium#863 is the main reason why it cannot

[mykola-mokhnach]

It looks like Travis is not very happy: https://travis-ci.org/appium/java-client/jobs/430697234

[valfirst]

It looks like some travis issue, similar to this one: travis-ci/travis-ci#3795.

https://travis-ci.org/appium/java-client/jobs/430697234#L817:

attempting to download cache archive
fetching PR.1024/cache-linux-trusty-e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855--jdk-oraclejdk8.tgz
fetching PR.1024/cache--jdk-oraclejdk8.tgz
fetching master/cache-linux-trusty-e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855--jdk-oraclejdk8.tgz
running `casher fetch` took longer than 180 seconds and has been aborted.
You can extend the timeout with `cache.timeout`. See https://docs.travis-ci.com/user/caching/#Setting-the-timeout for details

adding /home/travis/.gradle/caches to cache
creating directory /home/travis/.gradle/caches
adding /home/travis/.gradle/wrapper to cache
creating directory /home/travis/.gradle/wrapper
/home/travis/.gradle/wrapper/dists/gradle-4.10.1-all/455itskqi2qtf0v2sja68alqd/gradle-4.10.1-all.zip: Permission denied

I'll touch the commit to trigger a new build