Package.ID() is far more useful to tag on events, as it disambiguates
multiple packages with the same path.
Change-Id: I03fd69f64641eb17155ca72ed2ef19641b75f004
Reviewed-on: https://go-review.googlesource.com/c/tools/+/279722
Run-TryBot: Robert Findley <rfindley@google.com>
Trust: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>