Core: Re-holoing whitened changes to follow google.

Revert "Use white switch thumb activated drawables, not holo blu light."

This reverts commit 81f32adcd03181bbf7b6b613878976857e84d3a4.

Revert "fb: follow on seekbars new UI guideline for 4.4"

This reverts commit 2c1bc7c710517eccdb3ff6812693bf3f6fe4d75d.

Revert "Change "No recent apps" color to white instead of holo blue to follow new UI colors."

This reverts commit db9776b3173ddd730a519cda5f971147c344340b.