Camera: fill in Camera3Device offline processing impl

Move shared method implementations to Camera3OutputUtils.cpp/h
Defined interfaces to handle Camera3Device/Camera3OfflineSession
behavior differences in Camera3OutputInterface.h.

Bug: 135142453
Test: N/A (not enough implementation yet)
Change-Id: I57476ca5a1edf69c02a22241ad776d6f02636033
diff --git a/services/camera/libcameraservice/common/CameraOfflineSessionBase.h b/services/camera/libcameraservice/common/CameraOfflineSessionBase.h
index 3862521..05ea7fb 100644
--- a/services/camera/libcameraservice/common/CameraOfflineSessionBase.h
+++ b/services/camera/libcameraservice/common/CameraOfflineSessionBase.h
@@ -25,10 +25,42 @@
 
 namespace android {
 
+/**
+ * Abstract class for HAL notification listeners
+ */
+class NotificationListener : public virtual RefBase {
+  public:
+    // The set of notifications is a merge of the notifications required for
+    // API1 and API2.
+
+    // Required for API 1 and 2
+    virtual void notifyError(int32_t errorCode,
+                             const CaptureResultExtras &resultExtras) = 0;
+
+    // Required only for API2
+    virtual void notifyIdle() = 0;
+    virtual void notifyShutter(const CaptureResultExtras &resultExtras,
+            nsecs_t timestamp) = 0;
+    virtual void notifyPrepared(int streamId) = 0;
+    virtual void notifyRequestQueueEmpty() = 0;
+
+    // Required only for API1
+    virtual void notifyAutoFocus(uint8_t newState, int triggerId) = 0;
+    virtual void notifyAutoExposure(uint8_t newState, int triggerId) = 0;
+    virtual void notifyAutoWhitebalance(uint8_t newState,
+            int triggerId) = 0;
+    virtual void notifyRepeatingRequestError(long lastFrameNumber) = 0;
+  protected:
+    virtual ~NotificationListener() {}
+};
+
 class CameraOfflineSessionBase : public virtual RefBase {
   public:
     virtual ~CameraOfflineSessionBase();
 
+    virtual status_t initialize(
+            wp<NotificationListener> listener) = 0;
+
     // The session's original camera ID
     virtual const String8& getId() const = 0;
 
@@ -36,8 +68,6 @@
 
     virtual status_t dump(int fd) = 0;
 
-    virtual status_t abort() = 0;
-
     /**
      * Capture result passing
      */