cameraserver: Allow clients to specify lower oom scores for camera arbitration.

Bug: 187429135

Test: atest CameraEvictionTest.java

Change-Id: I7b54a399f87f57a428cc9da382bcc51ebf6adfa6
Signed-off-by: Jayant Chowdhary <jchowdhary@google.com>
diff --git a/services/camera/libcameraservice/hidl/HidlCameraService.cpp b/services/camera/libcameraservice/hidl/HidlCameraService.cpp
index aa1e95a..88d2f72 100644
--- a/services/camera/libcameraservice/hidl/HidlCameraService.cpp
+++ b/services/camera/libcameraservice/hidl/HidlCameraService.cpp
@@ -104,7 +104,7 @@
     sp<hardware::camera2::ICameraDeviceCallbacks> callbacks = hybridCallbacks;
     binder::Status serviceRet = mAidlICameraService->connectDevice(
             callbacks, String16(cameraId.c_str()), String16(""), {},
-            hardware::ICameraService::USE_CALLING_UID, /*out*/&deviceRemote);
+            hardware::ICameraService::USE_CALLING_UID, 0/*oomScoreOffset*/, /*out*/&deviceRemote);
     HStatus status = HStatus::NO_ERROR;
     if (!serviceRet.isOk()) {
         ALOGE("%s: Unable to connect to camera device", __FUNCTION__);