mt6735 CTS Fail: testTake Picture

[DESCRIPTION]
CTS报错点：
TestRunner: java.lang.Exception: Test failed for CAMERA 1: AE mode in result and request should be same (expected = 2, actual = 1)
AE mode需要配置Flash mode：Auto
[SOLUTION]在config.ftbl.flashlight.h中，做如下修改：
#if SUB_FLASH_SUPPORT
if (1 == facing)
{
MY_LOGD("facing=yes");
FTABLE_CONFIG_AS_TYPE_OF_DEFAULT_VALUES(
KEY_AS_(mtkCameraParameters::KEY_FLASH_MODE),
SCENE_AS_DEFAULT_SCENE(
ITEM_AS_DEFAULT_(MtkCameraParameters::FLASH_MODE_OFF),
ITEM_AS_VALUES_(
CameraParameters::FLASH_MODE_OFF,
CameraParameters::FLASH_MODE_ON,
CameraParameters::FLASH_MODE_AUTO,
CameraParameters::FLASH_MODE_TORCH,
)

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