[baseapp] Switch from /static to /dist to alight with webpack.
[baseapp] Switch from /static to /dist to alight with webpack.

But keep /static support for apps that still use it.

Change-Id: I97185b30a99176fd1fb0c5a3729565e73d3d2bc9
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/346756
Reviewed-by: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>
Commit-Queue: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot