Camera: Use face priority scene as default

Clients using the legacy API translation layer will
default to face priority scene in case this mode is
supported by the camera device.

Bug: 110259811
Test: Manual using application,
Camera CTS

Change-Id: I370f222c73ea6e133bb6cb334ced2e33a26bb8c5
diff --git a/services/camera/libcameraservice/api1/Camera2Client.cpp b/services/camera/libcameraservice/api1/Camera2Client.cpp
index 65faac9..0b2d1b0 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.cpp
+++ b/services/camera/libcameraservice/api1/Camera2Client.cpp
@@ -250,6 +250,7 @@
     switch (p.sceneMode) {
         case ANDROID_CONTROL_SCENE_MODE_DISABLED:
             result.append("AUTO\n"); break;
+        CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY)
         CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_ACTION)
         CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PORTRAIT)
         CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_LANDSCAPE)