Fixed RuboCop offense Metrics/LineLength

The Max setting for Metrics/LineLength has been increased to 100.

Both Metrics/ClassLength and Metrics/MethodLength have been disabled.

Bug: 63307
Change-Id: Ie5d6b68242c8ddb88d416c52a795e886c1d155eb
Merge "Fixed RuboCop offense Metrics/LineLength"