Remove all activities that do not successfully launch.

We previously were only removing activities that launched with
a fatal result code. Activities that do not start due to a
non-fatal error should also be removed.

Change-Id: I0b38eaaab7e38ed314c6022705170def38e10436
Fixes: 38021882
Test: cts-tradefed run cts-dev --module DevicePolicyManager --test com.android.cts.devicepolicy.DeviceOwnerTest#testLockTask_deviceOwnerUser