Update messaging for guava 27.1

CharMatcher.ASCII has been replaced with CharMatcher.ascii().

Bug: 130306229
Test: m checkbuild
Change-Id: I21473e2aa5e432b135fac7f1ecf0a85f52f3951e
Merged-In: I21473e2aa5e432b135fac7f1ecf0a85f52f3951e
Exempt-From-Owner-Approval: cherry pick
(cherry picked from commit 63cffd0246a37c6256684252e9a36166c74f21fb)
1 file changed