am 3a8228fc: am b00f26a1: Merge "update web app docs to remove target-densitydpi, remove the overview page, remove a bunch of stuff from the doc about screens and refer to external docs instead, and add tips about debugging on 4.4 w/ dev tools." into klp-docs

* commit '3a8228fc51f772ea0c59574ea0aa9f3e2cb7d587':
  update web app docs to remove target-densitydpi, remove the overview page, remove a bunch of stuff from the doc about screens and refer to external docs instead, and add tips about debugging on 4.4 w/ dev tools.