This implements the runtime function for DebugBreak functionality in
Liftoff code. We find the Liftoff frame on the stack, get the position
within that frame, find breakpoints set at that position, and then call
{OnDebugBreak} with these breakpoints.

Note that one additional change is needed in order to make this actually
hit the right breakpoints. Once everything is in place, we will see a
change in the expected output in the wasm-set-breakpoint-liftoff test.

R=thibaudm@chromium.org

Bug: v8:10147
Change-Id: I5ca569a68aa436bbcf70739ea430efb9e459fad5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2036086
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66128}