Settings: SlimPIE the second (2/2)

This commit changes the following:
- add possibility to set trigger height on the left and right trigger
- add possibility to set gravity on the lef and right trigger
- change touch detection logic and calculation (it shows now up immediately...super fast :p)
- reduces values in dimens.xml because of the new touch detection much lesser are needed
- remove on settings the shown values on the left @seekbar on entries where it does not make sense
- reset menu for trigger dimensions
- minor string changes
- cleanup
- minor bugfixes

for me it is now like a PIE should be lol

cheers

Change-Id: Ib31025a05b94da6718d2ff66178a7657075e4c90

Conflicts:
	res/values/arrays.xml
Settings: avoid code duplicate + small fix

Due to our adjust auto brightness feature we got
one code duplicate....point in display settings
to our custom brightness dialog. This fixes as well
the shown adjust brightness button although it was
disabled per device overlay.

cheers

Change-Id: Ibfe0967d1f1e5c0580d9d2bba2b3c99a5b9be001
French translation improvements

Change-Id: Ifb9f3a93cb9a723d3695504694e8cbd4e11eba22

Conflicts:
	res/values-fr/strings.xml