Settings: ES translations

Change-Id: I271f29bc1d70ca95810df2999edd9851d4c5ca05
Settings: ES translations: fix whitespace issue

Change-Id: I4195d81c4150035c374e785d83ffc7ff7ee001b9
Performance profiles

This changes adds support for custom performance profiles through overlays. Supported
devices should define config_perf_profile_prop with the proper system property to be set
and fill an init.rc file with the appropiate handlers for every defined performance profile.

Patchset 2: Rebased
            New simplified strings
Patchset 3: Fix build
Patchset 4: Rebased

Change-Id: I5a6612db94da3c09d8ec2e8920bf9516f62d0024
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Merge branch 'Carbon' into jb3