QS: Make it possible to show smaller tiles (1/2)

* Remove text and show more tiles on one row

ps18: set icon margin based on density of device
ps19: adjust the margin
ps20: implement show text under the tiles
ps21: fix typo
ps22: underp

Change-Id: Ie247aba1ae5fbdb8f5298e30fb2f04a985e73532
QS: smaller tiles: Fix the text labels on small screen devices

The text labels are broken if the density is smaller than xhdpi

Change-Id: Ie9859a9d8d539249de1584953f28ac56256ef35c
QS: respect equalizer in switch to small tiles

Change-Id: I2fa7f721c5a884bcfad49eb9e6a104ea89b019a5