Managed profile creation/deletion stress test.

This test duplicates UserLifecycleStressTest to a degree, but it is
implemented as a host side test and is not subject to device test
timeout.

Bug: 141115315
Test: atest ManagedProfileLifecycleStressTest
Change-Id: I680a2f6965a49ba81b48591e4dcabc87091ac860
8 files changed