square/okhttp — pull request #25 by swankjesse (2012-09-19 20:50:03+00:00)
Title: Merge: HttpResponseCache should return 504, not 502.

Original AOSP/libcore commit from Elliott Hughes:
The RFC seems pretty clear on this issue.

Bug: http://code.google.com/p/android/issues/detail?id=28294
Change-Id: Ia9a979e1fbbd8b38b1607059c042e0fc9ca44270