Merge "Require calls to BluetoothA2dp#setBufferLengthMillis to pass a non-negative value" into sc-dev am: 7a3cb23bf9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15404294

Change-Id: I5837fa60959952d8a8c1e418dfa2f504087df38c

core/java/android/bluetooth/BluetoothA2dp.java

@@ -1025,6 +1025,10 @@ public final class BluetoothA2dp implements BluetoothProfile {
     public boolean setBufferLengthMillis(@BluetoothCodecConfig.SourceCodecType int codec,
             int value) {
         if (VDBG) log("setBufferLengthMillis(" + codec + ", " + value + ")");
+        if (value < 0) {
+            Log.e(TAG, "Trying to set audio buffer length to a negative value: " + value);
+            return false;
+        }
         try {
             final IBluetoothA2dp service = getService();
             if (service != null && isEnabled()) {