Always use legacy pasting for nassh and crosh
Always use legacy pasting for nassh and crosh

This is to avoid prompting the user for cliboard permission. See the bug
for details.

Bug: 1063219
Change-Id: Ic1c454060590ed96da3f3bfa38e8705778380d48
Reviewed-on: https://chromium-review.googlesource.com/c/apps/libapps/+/2112210
Tested-by: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>
Reviewed-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@chromium.org>

chromium/hterm,chromium/hterm,chromium/hterm,chromium/hterm