tree 2bc9e3a7ec7526adc33dc508bac25cfa554d2b55
parent 731dc404a45c92211c926f3e4dff1fdd06603342
author Luke Huang <huangluke@google.com> 1580885181 +0800
committer Luke Huang <huangluke@google.com> 1581413179 +0000

Fix async DNS flag NO_CACHE_STORE doesn't work as expected

The stale cache case isn't handled correctly while performing
cahce_lookup with flag NO_CACHE_STORE, which caused this problem.

Fix it and add a test to ensure it won't happen again.

Test: atest
Bug: 148842821
Change-Id: I72a2211a636cadc72009a5542f7c755c30329c43