commit d7a10b824ce647fff824d0026f03780ca8955769
author Bernardo Rufino <brufino@google.com> Fri Aug 30 16:41:39 2019 +0100
committer Bernardo Rufino <brufino@google.com> Wed Sep 04 11:51:08 2019 +0100
tree c46b175464360b748945b8f1035f176c830b80c6
parent c248e64fa17844f56256dbc8eae51d141bfa5766

CTS testing 2nd activity launch is blocked when activity in bg

This tests the fix for the vulnerability found in the bug linked where an
activity in the bg can fire 2 intents simulteneously to circumvent bg activity
restriction, allowing the 2nd activity to be brought to fg.

Bug: 138583650
Test: 1) atest BackgroundActivityLaunchTest#testSecondActivityBlockedWhenBackgroundActivityLaunch
         Without topic CL built and verify it fails
      2) atest BackgroundActivityLaunchTest#testSecondActivityBlockedWhenBackgroundActivityLaunch
         With topic CL built and verify it passes
Change-Id: I7132e64177112fb3f4d7c7cbfdfdcd04065f10a5