Camera: Disallow dumping clients directly

Camera service dumps should only be initiated through
ICameraService::dump.

Bug: 26265403
Change-Id: If3ca4718ed74bf33ad8a416192689203029e2803
diff --git a/services/camera/libcameraservice/api1/Camera2Client.cpp b/services/camera/libcameraservice/api1/Camera2Client.cpp
index 36e99dd..1695309 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.cpp
+++ b/services/camera/libcameraservice/api1/Camera2Client.cpp
@@ -163,6 +163,10 @@
 }
 
 status_t Camera2Client::dump(int fd, const Vector<String16>& args) {
+    return BasicClient::dump(fd, args);
+}
+
+status_t Camera2Client::dumpClient(int fd, const Vector<String16>& args) {
     String8 result;
     result.appendFormat("Client2[%d] (%p) PID: %d, dump:\n", mCameraId,
             (getRemoteCallback() != NULL ?
diff --git a/services/camera/libcameraservice/api1/Camera2Client.h b/services/camera/libcameraservice/api1/Camera2Client.h
index d50bf63..7e7a284 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.h
+++ b/services/camera/libcameraservice/api1/Camera2Client.h
@@ -100,6 +100,8 @@
 
     virtual status_t dump(int fd, const Vector<String16>& args);
 
+    virtual status_t dumpClient(int fd, const Vector<String16>& args);
+
     /**
      * Interface used by CameraDeviceBase
      */
diff --git a/services/camera/libcameraservice/api1/CameraClient.cpp b/services/camera/libcameraservice/api1/CameraClient.cpp
index e552633..9e6ed4e 100644
--- a/services/camera/libcameraservice/api1/CameraClient.cpp
+++ b/services/camera/libcameraservice/api1/CameraClient.cpp
@@ -108,6 +108,10 @@
 }
 
 status_t CameraClient::dump(int fd, const Vector<String16>& args) {
+    return BasicClient::dump(fd, args);
+}
+
+status_t CameraClient::dumpClient(int fd, const Vector<String16>& args) {
     const size_t SIZE = 256;
     char buffer[SIZE];
 
diff --git a/services/camera/libcameraservice/api1/CameraClient.h b/services/camera/libcameraservice/api1/CameraClient.h
index 95616b2..17999a5 100644
--- a/services/camera/libcameraservice/api1/CameraClient.h
+++ b/services/camera/libcameraservice/api1/CameraClient.h
@@ -70,7 +70,9 @@
 
     status_t initialize(CameraModule *module);
 
-    status_t dump(int fd, const Vector<String16>& args);
+    virtual status_t dump(int fd, const Vector<String16>& args);
+
+    virtual status_t dumpClient(int fd, const Vector<String16>& args);
 
 private: