[m56 merge] Make QuicCryptoClientConfig only cache server configs for 1 week.

net/quic/core/quic_time.h

Index: net/quic/core/quic_time.h
diff --git a/net/quic/core/quic_time.h b/net/quic/core/quic_time.h
index 92e31bcc54bc963249172809c1fa6f5b404bdee5..06aa8827cb236b1fa7f469571c039b9e78f5dc8c 100644
--- a/net/quic/core/quic_time.h
+++ b/net/quic/core/quic_time.h
@@ -26,6 +26,7 @@ namespace net {
 
 static const int kNumSecondsPerMinute = 60;
 static const int kNumSecondsPerHour = kNumSecondsPerMinute * 60;
+static const uint64_t kNumSecondsPerWeek = kNumSecondsPerHour * 24 * 7;
 static const uint64_t kNumMicrosPerSecond = base::Time::kMicrosecondsPerSecond;
 static const uint64_t kNumMicrosPerMilli =
     base::Time::kMicrosecondsPerMillisecond;