LockClock : Switch to new yahoo api

Use YQL since where.yahooapis.com seems to have been shutdown

Patchset 2   : add missing and gflags="R"
Patchset 3   : Merge both urls into one
Patchset 4,5 : Formatting improvements

Change-Id: I7ce4e20679030fb5c71c3995a4fee7526d251310