Bluetooth: A2DP offload HIDL

Interface for Bluetooth A2DP offload feature.

Bug: 72242910
Test: Manual; TestTracker/148125
Change-Id: I3649800dfe3e1a2d66b76859be87e01ee58d2de0
(cherry picked from commit 4e95d81ef048bfdc33cee7cf8bdbe66603b30f96)
diff --git a/bluetooth/a2dp/1.0/default/Android.bp b/bluetooth/a2dp/1.0/default/Android.bp
new file mode 100644
index 0000000..8e6f32d
--- /dev/null
+++ b/bluetooth/a2dp/1.0/default/Android.bp
@@ -0,0 +1,14 @@
+cc_library_shared {
+    name: "android.hardware.bluetooth.a2dp@1.0-impl",
+    relative_install_path: "hw",
+    vendor: true,
+    srcs: [
+        "BluetoothAudioOffload.cpp",
+    ],
+    shared_libs: [
+        "libhidlbase",
+        "libhidltransport",
+        "libutils",
+        "android.hardware.bluetooth.a2dp@1.0",
+    ],
+}