HA still appears in Media device list even though it has been unpaired.

-Add mUnpairing to mark the device triggers removeBond()
-For HA, once it calls removeBond(), two HA would be unpaired. It causes the incorrect state if we do main/sub devices switching.

Bug: 198124571
Test: manual test

Change-Id: I4ed5db2bd01f4b4e8f246ed3e8f74e24149571f9

packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java

@@ -106,6 +106,7 @@ public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice>
     private boolean mIsA2dpProfileConnectedFail = false;
     private boolean mIsHeadsetProfileConnectedFail = false;
     private boolean mIsHearingAidProfileConnectedFail = false;
+    private boolean mUnpairing;
     // Group second device for Hearing Aid
     private CachedBluetoothDevice mSubDevice;
     @VisibleForTesting
@@ -142,6 +143,7 @@ public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice>
         fillData();
         mHiSyncId = BluetoothHearingAid.HI_SYNC_ID_INVALID;
         initDrawableCache();
+        mUnpairing = false;
     }
 
     private void initDrawableCache() {
@@ -402,6 +404,7 @@ public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice>
         if (state != BluetoothDevice.BOND_NONE) {
             final BluetoothDevice dev = mDevice;
             if (dev != null) {
+                mUnpairing = true;
                 final boolean successful = dev.removeBond();
                 if (successful) {
                     releaseLruCache();
@@ -1243,4 +1246,8 @@ public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice>
     void releaseLruCache() {
         mDrawableCache.evictAll();
     }
+
+    boolean getUnpairing() {
+        return mUnpairing;
+    }
 }

packages/SettingsLib/src/com/android/settingslib/bluetooth/HearingAidDeviceManager.java

@@ -180,6 +180,9 @@ public class HearingAidDeviceManager {
                 break;
             case BluetoothProfile.STATE_DISCONNECTED:
                 mainDevice = findMainDevice(cachedDevice);
+                if (cachedDevice.getUnpairing()) {
+                    return true;
+                }
                 if (mainDevice != null) {
                     // When main device exists, receiving sub device disconnection
                     // To update main device UI