Camera: Pass system health metrics to ServiceProxy

- Measure session statistics:
  - Camera open, close, and session creation latency
  - Session information such as camera id, is_ndk, operating mode,
    and reconfiguration count.
- Measure stream statistics:
  - width, height, format, dataspace, usage
  - max buffer count
  - buffer loss count
  - startup latency.

Test: ./out/host/linux-x86/bin/statsd_testdrive 227
Test: Camera CTS, VNDK test
Bug: 154159000
Change-Id: I082ef26a312bddbfd4abcc2148728a4b7bf8a9f6
diff --git a/services/camera/libcameraservice/device3/Camera3Device.h b/services/camera/libcameraservice/device3/Camera3Device.h
index c579071..de7df81 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.h
+++ b/services/camera/libcameraservice/device3/Camera3Device.h
@@ -471,6 +471,8 @@
 
     camera3::StreamSet         mOutputStreams;
     sp<camera3::Camera3Stream> mInputStream;
+    SessionStatsBuilder        mSessionStatsBuilder;
+
     int                        mNextStreamId;
     bool                       mNeedConfig;
 
@@ -520,6 +522,8 @@
         // Whether this capture request has its zoom ratio set to 1.0x before
         // the framework overrides it for camera HAL consumption.
         bool                                mZoomRatioIs1x;
+        // The systemTime timestamp when the request is created.
+        nsecs_t                             mRequestTimeNs;
 
 
         // Whether this capture request's distortion correction update has
@@ -538,7 +542,7 @@
     status_t convertMetadataListToRequestListLocked(
             const List<const PhysicalCameraSettingsList> &metadataList,
             const std::list<const SurfaceMap> &surfaceMaps,
-            bool repeating,
+            bool repeating, nsecs_t requestTimeNs,
             /*out*/
             RequestList *requestList);
 
@@ -961,6 +965,7 @@
         Condition          mRequestSubmittedSignal;
         RequestList        mRequestQueue;
         RequestList        mRepeatingRequests;
+        bool               mFirstRepeating;
         // The next batch of requests being prepped for submission to the HAL, no longer
         // on the request queue. Read-only even with mRequestLock held, outside
         // of threadLoop
@@ -1035,7 +1040,8 @@
             int32_t numBuffers, CaptureResultExtras resultExtras, bool hasInput,
             bool callback, nsecs_t maxExpectedDuration, std::set<String8>& physicalCameraIds,
             bool isStillCapture, bool isZslCapture, bool rotateAndCropAuto,
-            const std::set<std::string>& cameraIdsWithZoom, const SurfaceMap& outputSurfaces);
+            const std::set<std::string>& cameraIdsWithZoom, const SurfaceMap& outputSurfaces,
+            nsecs_t requestTimeNs);
 
     /**
      * Tracking for idle detection