Build tradefed javadocs using devsite templates.
Use new Doclava template options.
Keeps prior doc build target, to be removed later.
Fix javadoc comments to build without error.

Future commit will remove deprecated docs build target once
we've moved to devsite.

Staged: go/sac-staging/reference/tradefed/packages
Test: make tradefed-ds-docs
Change-Id: I7f25df71b97533aecccc54daddddbdbc29d75862
2 files changed