Use HwLight.type as the key of mLightsByType

There are two paths to consider:
- HIDL HAL: We always set hwLight.id == hwLight.type == (byte)i;
- AIDL HAL: hwLight.id may be not equals to hwLight.type;
This patch use hwLight.type as the key of mLightsByType.

Change-Id: I5c8c4df4bb2d6bda44bdd62d2b9ac7d9cb674d3f
Signed-off-by: Tnze <cjd001113@outlook.com>

services/core/java/com/android/server/lights/LightsService.java

@@ -465,9 +465,10 @@ public class LightsService extends SystemService {
         }
 
         for (int i = mLightsById.size() - 1; i >= 0; i--) {
-            final int type = mLightsById.keyAt(i);
+            LightImpl light = mLightsById.valueAt(i);
+            final int type = light.mHwLight.type;
             if (0 <= type && type < mLightsByType.length) {
-                mLightsByType[type] = mLightsById.valueAt(i);
+                mLightsByType[type] = light;
             }
         }
     }