[RELEASE] Sprint Istanbul

See merge request !21

Change-Id: I3155cbbbad6ab436bd37f9e5717f078573cac443

Change-Id: I33e0a0e4ba9b53c89f11a354206ca0b27bd20fc0

This reverts commit 92213704.

* EXTRA_PLUGGED is not a boolean.

Change-Id: I3c2869cc4e08b48e396e5bae5ef22383fcbf7260

Change-Id: I90a24d5ff9b1f57a9c0f9283279afd71b9c71ed7

FLAG_ONE_SHOT doesn't make so much sense here, the intents are generic
and can be repeated.

Change-Id: Ib457d975387dfd838372639e2aaa40a3df6f4d15

* 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

Even if technically it is compatible.

Change-Id: I72d39c761ad02b851c5ec7cfae664e886931f852

Change-Id: I6916639f05c52ae198f0d1656deb23ee5186907f

* We cannot create dialog from service level without
  hardcoding theme resource and granting SYSTEM_ALERT_WINDOW
  permission therefore we got to move it here.

Change-Id: I70ee5d6c8ef4af4f5c6f29e593b1c20797781017

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

- Don't use BigTextStyle if we only need to show a single line of
  text, but keep using it if the progressbar is visible.
- Change the icon to reflect the currrent state.
- Use android.R.drawable instead of com.android.internal.R.drawable

Change-Id: I0f69fe5f4fa63cdec180e89afa098d27819f33fd

Change-Id: I8d65746b58c16a7cf4a430ea29bb7b0fba1802d5