Fix the maximum value of sensor types

Sensors which should have a maximum vector length of 1 were erroneously
being treated as tri-axis sensors.

Bug: 36530209
Test: Ensure that pressure, light, ambient temperature, proximity,
      relative humidity, temperature are reported with maximum
      length of 1.

Change-Id: Iec76a6b8a2c1851300e92b71c46f2f12836fa7bf