analysis/latency: fixes to keep plots in sync with XTimeRange
analysis/latency: fixes to keep plots in sync with XTimeRange

Signed-off-by: Patrick Bellasi <431c86f368affbc3148c4669fbd465131f7e82cb@arm.com>

arnoldlu/lisa,joelagnel/lisa,credp/lisa,ARM-software/lisa,arnoldlu/lisa,bjackman/lisa,bjackman/lisa,ARM-software/lisa,mdigiorgio/lisa,credp/lisa,credp/lisa,joelagnel/lisa,credp/lisa,mdigiorgio/lisa,ARM-software/lisa,ARM-software/lisa