Make navbar height+width bounds relative to their dimens in com.android.internal

ps2: fix a copy/pasta derp
     fix some whitespace
ps3: fix more derps
     fix more whitespace

Signed-off-by: nuclearmistake <nuclearmistake@gmail.com>

Change-Id: I17a0a542c34fa6d9da1b55492b8d61f955d685e6