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/api1/Camera2Client.cpp b/services/camera/libcameraservice/api1/Camera2Client.cpp
index 09e2c3f..662b58f 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.cpp
+++ b/services/camera/libcameraservice/api1/Camera2Client.cpp
@@ -34,6 +34,7 @@
 #include "api1/client2/CallbackProcessor.h"
 #include "api1/client2/ZslProcessor.h"
 #include "utils/CameraThreadState.h"
+#include "utils/CameraServiceProxyWrapper.h"
 
 #define ALOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__);
 #define ALOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__);
@@ -396,6 +397,7 @@
 
 binder::Status Camera2Client::disconnect() {
     ATRACE_CALL();
+    nsecs_t startTime = systemTime();
     Mutex::Autolock icl(mBinderSerializationLock);
 
     binder::Status res = binder::Status::ok();
@@ -457,6 +459,9 @@
 
     CameraService::Client::disconnect();
 
+    int32_t closeLatencyMs = ns2ms(systemTime() - startTime);
+    CameraServiceProxyWrapper::logClose(mCameraIdStr, closeLatencyMs);
+
     return res;
 }