Update System prop

Change-Id: I56a0894dac0e5a86d2417e9cdafdad440e30519d
Update overlays

Change-Id: If0249bee79b1248ca4ac6650d9b24fc102dce0bd
Update full_jflteusc.mk

Change-Id: I65967db731be82d06dd3031d94b15ddc9807d4aa
Update slim.mk

Change-Id: Id1163b2c77a43fa022ea796031dc2ce66c4248e3