Migrate JDiff to new Javadoc

Bug: 260694901
Test: m jdiff
Test: javadoc -h -docletpath out/host/linux-x86/framework/jdiff.jar -doclet jdiff.JDiff
Test: apidiff.sh --latest -f git_tm-dev -t git_udc-dev git_tm-dev git_udc-dev # With this and previoud jdiff
Change-Id: I4ef72a7089b83fbef0a4daa95ab55748fba8a8d3
5 files changed