tree dafafbea8d79cbf180a7c440bc46222d940f3107
parent d63953379b0626e38a902e72ad8e3b1fc50cbdca
author Nick Chalko <nchalko@google.com> 1578438774 -0800
committer Nick Chalko <nchalko@google.com> 1578438774 -0800

Make FrontendCallback a toplevel class

Move it to the frontend package

Test: m framework-minus-apex
Change-Id: I7dd74b6a378e1cee05a5085c7c32717bf93c341b