FP2-1634: Enable antibanding to fix the flickers issue

The GMS Camera app does not have antibanding setting.
So set default antibanding setting as Auto.

Change-Id: Ia61e9623a6c180a1c2a972b6c16eb7b2277a2393
diff --git a/QCamera2/HAL/QCameraParameters.cpp b/QCamera2/HAL/QCameraParameters.cpp
index 9429249..5365114 100644
--- a/QCamera2/HAL/QCameraParameters.cpp
+++ b/QCamera2/HAL/QCameraParameters.cpp
@@ -4433,7 +4433,7 @@
             ANTIBANDING_MODES_MAP,
             PARAM_MAP_SIZE(ANTIBANDING_MODES_MAP));
     set(KEY_SUPPORTED_ANTIBANDING, antibandingValues);
-    setAntibanding(ANTIBANDING_OFF);
+    setAntibanding(ANTIBANDING_AUTO);
 
     // Set Effect
     String8 effectValues = createValuesString(