[SPARK-30544] Upgrade Genjavadoc to 0.15

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: Build
• Assignee: Kousuke Saruta
• Reporter: Kousuke Saruta
• Created: 17/Jan/20 08:03
• Updated: 18/Jan/20 08:16
• Resolved: 18/Jan/20 08:16

Description

Genjavadoc 0.14 doesn't support Scala so sbt -Pscala-2.13 will fail to build.
Let's upgrade it to 0.15.

Issue Links

• links to: GitHub Pull Request #27255