Revert "camera3: Update CameraMetadata vendor tag handling."

This reverts commit 4764324d2704f1b08bb7407014bf203924ff2363.

Change-Id: I86d7fcc11423502b73fab2a82af6aa89804f0b76
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index 9001b3a..02bca1f 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -1257,20 +1257,7 @@
         result.appendFormat("Camera module author: %s\n",
                 mModule->common.author);
         result.appendFormat("Number of camera devices: %d\n\n", mNumberOfCameras);
-
-        sp<VendorTagDescriptor> desc = VendorTagDescriptor::getGlobalVendorTagDescriptor();
-        if (desc == NULL) {
-            result.appendFormat("Vendor tags left unimplemented.\n");
-        } else {
-            result.appendFormat("Vendor tag definitions:\n");
-        }
-
         write(fd, result.string(), result.size());
-
-        if (desc != NULL) {
-            desc->dump(fd, /*verbosity*/2, /*indentation*/4);
-        }
-
         for (int i = 0; i < mNumberOfCameras; i++) {
             result = String8::format("Camera %d static information:\n", i);
             camera_info info;
@@ -1295,7 +1282,7 @@
                     result.appendFormat("  Device static metadata:\n");
                     write(fd, result.string(), result.size());
                     dump_indented_camera_metadata(info.static_camera_characteristics,
-                            fd, /*verbosity*/2, /*indentation*/4);
+                            fd, 2, 4);
                 } else {
                     write(fd, result.string(), result.size());
                 }