Update code, docs and unit test Use a constant so maximum metric name length is only defined once in the code Change-Id: I76e4369ebaf55239c270c5e0c16b3bc95c7c3c5e
Update code, docs and unit test Use a constant so maximum metric name length is only defined once in the code Change-Id: I76e4369ebaf55239c270c5e0c16b3bc95c7c3c5e