Use audio_patch_handle_t in startAudioSource() and stopAudioSource()

Bug: 27903060
Change-Id: Iafc2095f484b74978c6f080c54f548e293bf945e
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index f6da920..53c54bb 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -712,7 +712,7 @@
 
 status_t AudioPolicyService::startAudioSource(const struct audio_port_config *source,
                                   const audio_attributes_t *attributes,
-                                  audio_io_handle_t *handle)
+                                  audio_patch_handle_t *handle)
 {
     Mutex::Autolock _l(mLock);
     if (mAudioPolicyManager == NULL) {
@@ -723,7 +723,7 @@
                                                  IPCThreadState::self()->getCallingUid());
 }
 
-status_t AudioPolicyService::stopAudioSource(audio_io_handle_t handle)
+status_t AudioPolicyService::stopAudioSource(audio_patch_handle_t handle)
 {
     Mutex::Autolock _l(mLock);
     if (mAudioPolicyManager == NULL) {