Update cts test for guava 27.1

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

Bug: 130306229
Test: m checkbuild
Change-Id: I4310716458705512bcd12abc2fc36845e4ae8e9f
Merged-In: I4310716458705512bcd12abc2fc36845e4ae8e9f
Exempt-From-Owner-Approval: cherry pick
(cherry picked from commit af90a1c812eb6eaeef4d2d70ae8e071161084503)
1 file changed