fix aapt warnings + strings.xml corrections

remove unsused translations and make already translated
strings translatable.

Change-Id: Iacb7391ce27a373b369e349f28ed382a90f844fc
Adds ability to answer call with hardware HOME button (preparation to winter time)

Change-Id: I0d22a6fbb92a61f08b50cae5c14d0030b81ee6ec

Conflicts:

	src/com/android/settings/AccessibilitySettings.java
packages/apps/Settings: Add back increasing ring settings.
Revert "packages/apps/Settings: Add back increasing ring settings."

This reverts commit 97e9b12df1863cae2370cbfc4a5a94ff478babf4.