Give the legacy camera looper thread a name.

Bug: 133298222
Test: Builds
Change-Id: I6b2050b834fb5975fa1f58c22dbe647a0d9aa94f
diff --git a/core/java/android/hardware/camera2/legacy/CameraDeviceUserShim.java b/core/java/android/hardware/camera2/legacy/CameraDeviceUserShim.java
index 3e130c5..c28cf8f 100644
--- a/core/java/android/hardware/camera2/legacy/CameraDeviceUserShim.java
+++ b/core/java/android/hardware/camera2/legacy/CameraDeviceUserShim.java
@@ -129,7 +129,7 @@
         public CameraLooper(int cameraId) {
             mCameraId = cameraId;
 
-            mThread = new Thread(this);
+            mThread = new Thread(this, "LegacyCameraLooper");
             mThread.start();
         }