Add hall sensor support

The hall sensor would report fixed value fields, we have to ignore other
unused values when checking the condition.

- Only check the expected values.

Bug: 182241801
Test: manual
Change-Id: I63c17ac388e3a089914b4b8a3ca3295f90ef1cae

services/core/java/com/android/server/policy/DeviceStateProviderImpl.java

@@ -394,13 +394,13 @@ public final class DeviceStateProviderImpl implements DeviceStateProvider,
                     throw new IllegalStateException("Have not received sensor event.");
                 }
 
-                if (latestEvent.values.length != mExpectedValues.size()) {
+                if (latestEvent.values.length < mExpectedValues.size()) {
                     throw new RuntimeException("Number of supplied numeric range(s) does not "
                             + "match the number of values in the latest sensor event for sensor: "
                             + mSensor);
                 }
 
-                for (int i = 0; i < latestEvent.values.length; i++) {
+                for (int i = 0; i < mExpectedValues.size(); i++) {
                     if (!adheresToRange(latestEvent.values[i], mExpectedValues.get(i))) {
                         return false;
                     }