Add atest from aosp_master aosp_cf_x86_phone-userdebug 5270957

Bug: N/A

Test: $ source build/envsetup.sh; lunch 15
      $ prebuilts/asuite/atest/linux-x86/atest -v atest_unittests
      $ prebuilts/asuite/atest/linux-x86/atest hello_world_test
      $ prebuilts/asuite/atest/linux-x86/atest hello_world_test
      --dry-run
      $ prebuilts/asuite/atest/linux-x86/atest

Change-Id: I11a48c3d21830d8f28a4927b9133e8690e3772e8