Indicate min allowed bucket.

Only show the buckets an app is allowed to be put in. With more and more
exceptions, it'll be good to make it clear to developers who are testing
what buckets they can put their app in using the developer options UI.

Bug: 156509848
Test: manual
Change-Id: Iebc6b706f274a4dd4be7e1c5c42a4b3b05b39777