Revert "Revert "Per user setting for instant app""

This reverts commit be9ffa15af9e1906e9ffb505768328d62d4a3793.

Test: cts-tradefed run commandAndExit cts-dev -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.EphemeralTest
Change-Id: Ib21321cf157a79890de487060a093840f7182047
34 files changed