[CP] [dartdev] Progress updates for running hooks

[dcharkes]

Commit(s) to merge

• de4e077

Target

beta

Prepared changelist for beta/stable

• https://dart-review.googlesource.com/c/sdk/+/454300

Issue Description

When running dart run and dart test no feedback is visible in the terminal that something is happening. With long-running hooks this leads to the users wondering if their dart process is hanging.

What is the fix

Print in the console a timer counting up:

Running build hooks... (0.7s)

Why cherry-pick

Dart 3.10 stable makes build hooks generally available.

Risk

Low

The terminal progress update was taken from pubs implementation when it's displaying:

Building package executable... (1.3s)

The implementation in dartdev is fairly simple.

Issue link(s)

• [hooks_runner] Progress updates for dartdev native#2439

cc @goderbauer