Fix signaling of uncalibrated magnetic sensor

We messed up the bit masks, so these sensor values were not
being recognized.

Bug: 37465457

Test: CTS tests CtsSensorTestCases / android.hardware.cts.SensorBatchingTests
      now report 51 passed, 0 failed

(cherry picked from commit 1558f08e8761bd04b29bc20b86161a4d6078a382)

Change-Id: I914584144663133e94a63e6c0152c4a860bfc02a
1 file changed