base: Add theme support to Ringtone and Profile pickers activities

Patchset 3: Add support for theme RingtonePreference view. The dialog is
            automatically adjusted to the caller activity base theme.
Patchset 4: Don't break the android api

For Ringtones:

http://review.cyanogenmod.org/#/c/61393/

For Profiles:

Usage:

Intent intent = new Intent(ProfileManager.ACTION_PROFILE_PICKER);
intent.putExtra(ProfileManager.EXTRA_PROFILE_DIALOG_THEME, R.style.CustomDialogTheme); <<< Add your custom dialog theme here
startActivityForResult(intent, 0);

Style Usage:

Define an style that inherits from an android base theme

<style name="CustomDialogThemeDark" parent="@*android:style/Theme.Holo.Dialog.Alert">

or

<style name="CustomDialogThemeLight" parent="@*android:style/Theme.Holo.Light.Dialog.Alert">

or define your own dialog style

Change-Id: Icadbcf2c617c51177466989acdab9435066a47a0
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
SystemUI: NL translation

Change-Id: I3471bc2333cb9e9e8d5f2325dd91239c37dc4d5d
Base: Mirroring layout on RTL languages [1/2]

When Force RTL layout (in developer options) is sellected on RTL language (Arabic, Hebrew, etc) - mirror back to LTR.
There is another commit (same name but with [2/2]) which just changes the strings to match the new meaning for RTL languages.

Change-Id: Ib051b976db4e15dab9caddcd0d49276b5ada3f13