Use lowercase booleans in VTS test configs.

Use lowercase booleans so that they can be parsed in Java
and Python.

Test: run vts -m HalNfcHidlTargetBasicTest
Change-Id: I16e2f417047219a88d49ed5b0651639a0cc2bf61
(cherry picked from commit 9fc3c47bc7d2c09bb5d808d0d3a87fd480ad0f11)
2 files changed