audiopolicy: default engine audio source add blutooth ble device [1/1]

PD# SWPL-37970
Bug:175350838

Problem:
add audio input dev (AUDIO_DEVICE_IN_BLUETOOTH_BLE ) for BLE RC voice

Solution:
default engine audio source add blutooth ble device

Verify:
verify by ohm

Signed-off-by: wei wang <wei.wang@amlogic.com>
Change-Id: I1894f6821034b475f83e99cb6e1dc75e1f5b6514
diff --git a/services/audiopolicy/enginedefault/src/Engine.cpp b/services/audiopolicy/enginedefault/src/Engine.cpp
index 19937ed..e0a0bbb 100644
--- a/services/audiopolicy/enginedefault/src/Engine.cpp
+++ b/services/audiopolicy/enginedefault/src/Engine.cpp
@@ -455,7 +455,7 @@
         device = availableDevices.getFirstExistingDevice({
                 AUDIO_DEVICE_IN_BLE_HEADSET, AUDIO_DEVICE_IN_WIRED_HEADSET,
                 AUDIO_DEVICE_IN_USB_HEADSET, AUDIO_DEVICE_IN_USB_DEVICE,
-                AUDIO_DEVICE_IN_BUILTIN_MIC});
+                AUDIO_DEVICE_IN_BLUETOOTH_BLE, AUDIO_DEVICE_IN_BUILTIN_MIC});
         break;
 
     case AUDIO_SOURCE_VOICE_COMMUNICATION:
@@ -488,7 +488,8 @@
         default:    // FORCE_NONE
             device = availableDevices.getFirstExistingDevice({
                     AUDIO_DEVICE_IN_WIRED_HEADSET, AUDIO_DEVICE_IN_USB_HEADSET,
-                    AUDIO_DEVICE_IN_USB_DEVICE, AUDIO_DEVICE_IN_BUILTIN_MIC});
+                    AUDIO_DEVICE_IN_USB_DEVICE, AUDIO_DEVICE_IN_BLUETOOTH_BLE,
+                    AUDIO_DEVICE_IN_BUILTIN_MIC});
             break;
 
         }
@@ -496,13 +497,25 @@
 
     case AUDIO_SOURCE_VOICE_RECOGNITION:
     case AUDIO_SOURCE_UNPROCESSED:
-    case AUDIO_SOURCE_HOTWORD:
-        if (inputSource == AUDIO_SOURCE_HOTWORD) {
-            // We should not use primary output criteria for Hotword but rather limit
-            // to devices attached to the same HW module as the build in mic
-            LOG_ALWAYS_FATAL_IF(availablePrimaryDevices.isEmpty(), "Primary devices not found");
-            availableDevices = availablePrimaryDevices;
+        if (audio_is_bluetooth_out_sco_device(commDeviceType)) {
+            device = availableDevices.getDevice(
+                    AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, String8(""), AUDIO_FORMAT_DEFAULT);
+            if (device != nullptr) break;
         }
+        // we need to make BLUETOOTH_BLE has higher priority than BUILTIN_MIC,
+        // because sometimes user want to do voice search by bt remote
+        // even if BUILDIN_MIC is available.
+        device = availableDevices.getFirstExistingDevice({
+                AUDIO_DEVICE_IN_BLE_HEADSET, AUDIO_DEVICE_IN_WIRED_HEADSET,
+                AUDIO_DEVICE_IN_USB_HEADSET, AUDIO_DEVICE_IN_USB_DEVICE,
+                AUDIO_DEVICE_IN_BLUETOOTH_BLE, AUDIO_DEVICE_IN_BUILTIN_MIC});
+
+        break;
+    case AUDIO_SOURCE_HOTWORD:
+        // We should not use primary output criteria for Hotword but rather limit
+        // to devices attached to the same HW module as the build in mic
+        LOG_ALWAYS_FATAL_IF(availablePrimaryDevices.isEmpty(), "Primary devices not found");
+        availableDevices = availablePrimaryDevices;
         if (audio_is_bluetooth_out_sco_device(commDeviceType)) {
             device = availableDevices.getDevice(
                     AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, String8(""), AUDIO_FORMAT_DEFAULT);
@@ -528,7 +541,8 @@
     case AUDIO_SOURCE_VOICE_PERFORMANCE:
         device = availableDevices.getFirstExistingDevice({
                 AUDIO_DEVICE_IN_WIRED_HEADSET, AUDIO_DEVICE_IN_USB_HEADSET,
-                AUDIO_DEVICE_IN_USB_DEVICE, AUDIO_DEVICE_IN_BUILTIN_MIC});
+                AUDIO_DEVICE_IN_USB_DEVICE, AUDIO_DEVICE_IN_BLUETOOTH_BLE,
+                AUDIO_DEVICE_IN_BUILTIN_MIC});
         break;
     case AUDIO_SOURCE_REMOTE_SUBMIX:
         device = availableDevices.getDevice(