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/BluetoothLeAudioContentMetadata.java b/framework/java/android/bluetooth/BluetoothLeAudioContentMetadata.java
index 4f02e89312..17d99ae72d 100644
--- a/framework/java/android/bluetooth/BluetoothLeAudioContentMetadata.java
+++ b/framework/java/android/bluetooth/BluetoothLeAudioContentMetadata.java
@@ -25,7 +25,9 @@ import android.os.Parcelable;
 
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
+import java.util.Objects;
 
 /**
  * A class representing the media metadata information defined in the Basic Audio Profile.
@@ -50,6 +52,22 @@ public final class BluetoothLeAudioContentMetadata implements Parcelable {
         mRawMetadata = rawMetadata;
     }
 
+    @Override
+    public boolean equals(@Nullable Object o) {
+        if (!(o instanceof BluetoothLeAudioContentMetadata)) {
+            return false;
+        }
+        final BluetoothLeAudioContentMetadata other = (BluetoothLeAudioContentMetadata) o;
+        return Objects.equals(mProgramInfo, other.getProgramInfo())
+                && Objects.equals(mLanguage, other.getLanguage())
+                && Arrays.equals(mRawMetadata, other.getRawMetadata());
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mProgramInfo, mLanguage, mRawMetadata);
+    }
+
     /**
      * Get the title and/or summary of Audio Stream content in UTF-8 format.
      *