Bluetooth: More logging of bluetooth service state

Bug: 32140251
Bug: 32140271
Bug: 32060415

Change-Id: I50faa184551748023ea5a573646a75293f553d16
diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index 246a752..6be5a97 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -2006,7 +2006,7 @@
     final private IBluetoothManagerCallback mManagerCallback =
         new IBluetoothManagerCallback.Stub() {
             public void onBluetoothServiceUp(IBluetooth bluetoothService) {
-                if (VDBG) Log.d(TAG, "onBluetoothServiceUp: " + bluetoothService);
+                if (DBG) Log.d(TAG, "onBluetoothServiceUp: " + bluetoothService);
 
                 mServiceLock.writeLock().lock();
                 mService = bluetoothService;
@@ -2028,7 +2028,7 @@
             }
 
             public void onBluetoothServiceDown() {
-                if (VDBG) Log.d(TAG, "onBluetoothServiceDown: " + mService);
+                if (DBG) Log.d(TAG, "onBluetoothServiceDown: " + mService);
 
                 try {
                     mServiceLock.writeLock().lock();
@@ -2056,7 +2056,7 @@
             }
 
             public void onBrEdrDown() {
-                if (VDBG) Log.i(TAG, "on QBrEdrDown: ");
+                if (DBG) Log.i(TAG, "onBrEdrDown:");
             }
     };
 
diff --git a/services/core/java/com/android/server/BluetoothManagerService.java b/services/core/java/com/android/server/BluetoothManagerService.java
index 0f8db2e..6757fcc 100644
--- a/services/core/java/com/android/server/BluetoothManagerService.java
+++ b/services/core/java/com/android/server/BluetoothManagerService.java
@@ -203,7 +203,7 @@
                     } finally {
                         mBluetoothLock.readLock().unlock();
                     }
-                    Slog.d(TAG, "state" + st);
+                    Slog.d(TAG, "Airplane Mode change - current state: " + st);
 
                     if (isAirplaneModeOn()) {
                         // Clear registered LE apps to force shut-off
@@ -266,6 +266,7 @@
         mContext.registerReceiver(mReceiver, filter);
         loadStoredNameAndAddress();
         if (isBluetoothPersistedStateOn()) {
+            if (DBG) Slog.d(TAG, "Startup: Bluetooth persisted state is ON.");
             mEnableExternal = true;
         }
 
@@ -292,8 +293,10 @@
      *  Returns true if the Bluetooth saved state is "on"
      */
     private final boolean isBluetoothPersistedStateOn() {
-        return Settings.Global.getInt(mContentResolver,
-                Settings.Global.BLUETOOTH_ON, BLUETOOTH_ON_BLUETOOTH) != BLUETOOTH_OFF;
+        int state = Settings.Global.getInt(mContentResolver,
+                                           Settings.Global.BLUETOOTH_ON, -1);
+        if (DBG) Slog.d(TAG, "Bluetooth persisted state: " + state);
+        return state != BLUETOOTH_OFF;
     }
 
     /**
@@ -309,6 +312,7 @@
      *
      */
     private void persistBluetoothSetting(int value) {
+        if (DBG) Slog.d(TAG, "Persisting Bluetooth Setting: " + value);
         Settings.Global.putInt(mContext.getContentResolver(),
                                Settings.Global.BLUETOOTH_ON,
                                value);
@@ -1366,7 +1370,7 @@
                 {
                     int prevState = msg.arg1;
                     int newState = msg.arg2;
-                    if (DBG) Slog.d(TAG, "MESSAGE_BLUETOOTH_STATE_CHANGE: prevState = " + prevState + ", newState=" + newState);
+                    if (DBG) Slog.d(TAG, "MESSAGE_BLUETOOTH_STATE_CHANGE: prevState = " + prevState + ", newState =" + newState);
                     mState = newState;
                     bluetoothStateChangeHandler(prevState, newState);
                     // handle error state transition case from TURNING_ON to OFF
@@ -1678,6 +1682,7 @@
 
     private void bluetoothStateChangeHandler(int prevState, int newState) {
         boolean isStandardBroadcast = true;
+        if (DBG) Slog.d(TAG, "bluetoothStateChangeHandler: " + prevState + " ->  " + newState);
         if (prevState != newState) {
             //Notify all proxy objects first of adapter state change
             if (newState == BluetoothAdapter.STATE_BLE_ON ||