IndicatorElement: Switch box-sizing to border-box

Authored by srishakatux on Mon, Jun 19, 1:24 AM.

Description

IndicatorElement: Switch box-sizing to border-box

Switching box-sizing to border-box value, making it easier
to calculate sizes and centralizing occurences already in use
by widgets and elements. Following the similar strategy as in
Change 313940

Bug: T147692
Change-Id: I2f9ccdcb8b03f14cff81182bb0b2c26b1d793287