Navigation Bar Height: detect and fix impossibly high values

This change would only affect people who have 895089425-tall navbar related issues NOW.
The related settings commit will prevent these values from being this big.

ps2: whitespace

Signed-off-by: nuclearmistake <nuclearmistake@gmail.com>
Change-Id: I8b3bb632523bae9a2248bcc0f8ff7630d06b580f
Merge "Navigation Bar Height: detect and fix impossibly high values" into kk44