Allow springboot rule definition in a BUILD file to pass javacopts.
User would like to tweak memory settings for 'bazel run', but this could apply broadly (GC algs, etc).
Consider allowing different attributes for the java compilation and the java binary.
Can user override BUILD javacopt in a 'bazel run //a/b/c' invocation?
This was implemented strictly for bazel run.
Because the java_library is where the java compilation happens, I didn't think it right to do anything else at the springboot level.
Allow springboot rule definition in a BUILD file to pass javacopts. User would like to tweak memory settings for 'bazel run', but this could apply broadly (GC algs, etc).