System server: Add Bluetooth to native processes

Add Bluetooth service to the interesting native processes to dump
during watchdog abort and ANRs. This may help if the process gets
wedged and cannot react normally to Java-side ANR dump requests.

Bug: 28658141
Change-Id: I788b7c299cc95748fdcddaa2be1d0e2d78f25ef1

services/core/java/com/android/server/Watchdog.java

@@ -73,6 +73,7 @@ public class Watchdog extends Thread {
         "/system/bin/surfaceflinger",
         "media.codec",     // system/bin/mediacodec
         "media.extractor", // system/bin/mediaextractor
+        "com.android.bluetooth",  // Bluetooth service
     };
 
     static Watchdog sWatchdog;