sm8450-common: Switch BtAudio to AIDL

Test: m
Bug: 203490261
Change-Id: I4b8ac40d5ad410b89eb6a0573d740d86471ecfc7
Merged-In: I4b8ac40d5ad410b89eb6a0573d740d86471ecfc7

vintf/manifest.xml

@@ -481,15 +481,6 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl">
-        <name>android.hardware.bluetooth.audio</name>
-        <transport>hwbinder</transport>
-        <version>2.0</version>
-        <interface>
-            <name>IBluetoothAudioProvidersFactory</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
     <hal format="hidl">
         <name>vendor.qti.hardware.bluetooth_audio</name>
         <transport>hwbinder</transport>