Revert "Privacy Guard : Reimplement backed by AppOps"

This reverts commit 79994566a9d8237252c44fe9834edf5550d85322.
Revert "Revert "framework: Privacy Guard""

This reverts commit 9c9cd7eb9cd7200b8bc0acd503fe9e21176557b1.
Revert "Lock Screen - Option to hide initial page hints (1/2)"

This reverts commit 4e1a00f7f271ae5968596f412642feeec46f569f.
Revert "Add Torch Power Menu toggle (1/2)"

This reverts commit 636e74518e10f61a117661fc34c53851ef58e337.
Halo: Add missing drawables