Revert "Make Parcel::readOutVectorSizeWithCheck public"

This reverts commit b2a116b84a08be2c96b1223a038ed4c06733266e.

Reason for revert: Nevermind! We don't want to do this and we don't need to.

Change-Id: I005a36d47b96ff137e81edc23e88724913c7d2a5
diff --git a/libs/binder/include/binder/Parcel.h b/libs/binder/include/binder/Parcel.h
index eca084f..e28d374 100644
--- a/libs/binder/include/binder/Parcel.h
+++ b/libs/binder/include/binder/Parcel.h
@@ -538,12 +538,6 @@
     template<typename T>
     status_t            resizeOutVector(std::unique_ptr<std::vector<T>>* val) const __attribute__((deprecated("use std::optional version instead")));
 
-    // Retrieve the size of an out vector and check against internal limits to
-    // the size.
-    // The returned size may be negative so caller must handle appropriately.
-    // elemSize is the size of the element on the wire, if unknown use `1`.
-    status_t readOutVectorSizeWithCheck(size_t elmSize, int32_t* size) const;
-
     // Like Parcel.java's readExceptionCode().  Reads the first int32
     // off of a Parcel's header, returning 0 or the negative error
     // code on exceptions, but also deals with skipping over rich
@@ -645,6 +639,8 @@
     status_t            flattenBinder(const sp<IBinder>& binder);
     status_t            unflattenBinder(sp<IBinder>* out) const;
 
+    status_t readOutVectorSizeWithCheck(size_t elmSize, int32_t* size) const;
+
     template<class T>
     status_t            readAligned(T *pArg) const;