audio-hal: use powerHAL 1.2 to do performance hint
1) Add PowerHAL 1.2 client
2) call PowerHAL powerhint on msm8998 instead of perfd
Test: Play audio and see powerhint handled
Bug: 62041945
Change-Id: I33ab8eaa7a3a3a953fb6531e0864b4ed62387ba2
(cherry picked from commit f4837d5bbe73df6f33aee2d0f733f72cc635de6a)
diff --git a/hal/audio_perf.h b/hal/audio_perf.h
new file mode 100644
index 0000000..05c3036
--- /dev/null
+++ b/hal/audio_perf.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __QAUDIOPERF_H__
+#define __QAUDIOPERF_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int audio_streaming_hint_start();
+int audio_streaming_hint_end();
+
+int audio_low_latency_hint_start();
+int audio_low_latency_hint_end();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //__QAUDIOPERF_H___