Move from Storage to Developer Options, and add interstitial dialog
with more details.
Bug: 6461446
Change-Id: I6d3d8fdc61a3e920ed58ab4d726949ac3c31feab
Surface enforcement controls for READ_EXTERNAL_STORAGE permission
using new PackageManager API.
Bug: 6131916
Change-Id: I0ece4742666fda58e41410cb4b0b7175f280fa31