* Lower default value by 10%
* Decrease the level by another 10% if charging
* Always allow installation in case device doesn't have a battery
* Show the requirements in the alert dialog
Change-Id: Iebb10220612006fbd096eb474cf3034ef52144b3
The recovery doesn't install the update if the remaining battery
capacity isn't at least 20% (or 15% if charging). Require at least
40%, just to be safe.
Change-Id: I5cd7c40f029141cde2b0922b25fece2b55989710
Luca Stefani
Gabriele M