Adds the ability to force dual panel at any dpi (1/3)

This allows tablet mode with single panel and also
allows regular phoneUI with dual panel .
This will only affect apps with dependencies to
framework-res.apk , in other words gapps email.apk etc are not affected.

PS2: Rebase && Underp call

Change-Id: Iad5751039de89685506ce291655f03655c5133da