Revert "Revert "Move HidlInstrumentor to HidlInternal and namespace details.""

This reverts commit f9fd88291caa3a2bab89c1b8ff128b1659da81b4.
Test: make libhidlbase
Change-Id: I85eb85bd9e89c28026e9865f799dce2b0df584fc
4 files changed