[web] use the same version of chrome in both unit tests and integration tests #53179
Description
In the current engine tests, the unit tests are downloading and running a given chrome version.
On the other hand the integration tests are using the system chrome. We should use same chrome for both of them.
In order to do this:
- Flutter drive be started with chrome executable
- Felt code should be changed to use the same Chrome.
- (for LUCI) Recipe load CIPD packages for Chrome/ChromeDriver for same version
- (for local) Web installers should be used to download the chrome.