Aligning columns in stopwatch lap times

Bug: 7282042
Bug: 7539981

margin between total and lap times
string-array format for lap# and lap,total times
lap display centered in portrait
optimized landscape layout to give more room for list
using '#' instead of 'LAP'
removed unneeded margins on world clock; new dimen for timer margins
char limit on "Lap" and the hour, minute, second abbreviations
sw list handles times up to 1k hours
circle handles times up to 1k hours

Change-Id: If4e884ffd7b87986024c6d5a5990e529b1d6d736