BASS: Fix BASS client service to pass CTS tests

* Through NullPointerException when asserting on non-null arguments
* Invoke error callback when sink device is not connected
* Assert on parameter value at binder client side
* Clear binder identity when checking DeviceConfig values

Test: atest CtsBluetoothTestCases
Bug: 229790402
Fixes: 229790402
Ignore-AOSP-First: Fixing CTS tests on T
Change-Id: Ie19cf24d2fe20948494643f3ce179d1a2c3a290f
Merged-In: Ie19cf24d2fe20948494643f3ce179d1a2c3a290f
(cherry picked from commit 9d0518ee6515bf0aeccdbd428485e7bd38f68f0b)

1 files changed, 18 insertions, 0 deletions

diff --git a/framework/java/android/bluetooth/BluetoothLeBroadcastSubgroup.java b/framework/java/android/bluetooth/BluetoothLeBroadcastSubgroup.java
index b2abe06551..38a747b5d5 100644
--- a/framework/java/android/bluetooth/BluetoothLeBroadcastSubgroup.java
+++ b/framework/java/android/bluetooth/BluetoothLeBroadcastSubgroup.java
@@ -17,6 +17,7 @@
 package android.bluetooth;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -48,6 +49,23 @@ public final class BluetoothLeBroadcastSubgroup implements Parcelable {
         mChannels = channels;
     }
 
+    @Override
+    public boolean equals(@Nullable Object o) {
+        if (!(o instanceof BluetoothLeBroadcastSubgroup)) {
+            return false;
+        }
+        final BluetoothLeBroadcastSubgroup other = (BluetoothLeBroadcastSubgroup) o;
+        return mCodecId == other.getCodecId()
+                && mCodecSpecificConfig.equals(other.getCodecSpecificConfig())
+                && mContentMetadata.equals(other.getContentMetadata())
+                && mChannels.equals(other.getChannels());
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mCodecId, mCodecSpecificConfig, mContentMetadata, mChannels);
+    }
+
     /**
      * Get the codec ID field as defined by the Basic Audio Profile.
      *