ltp: Abort if device or root is lost during test

Use abort-if-device-lost and abort-if-root-lost options to terminate the
test run if the device is lost.  This will reduce spurious failures in
presubmit.

Bug: 368144215
Test: atest -a vts_ltp_test_arm_64
Change-Id: I893e53e8a839cc3b5ae299d747815d3487cf013f
Signed-off-by: Edward Liaw <edliaw@google.com>
1 file changed