libgui InputTransferToken: avoid implicit sp<>

Required to enable ANDROID_UTILS_REF_BASE_DISABLE_IMPLICIT_CONSTRUCTION,
used elsewhere.

Bug: 393217449
Bug: 393013610
Test: boot
Change-Id: I9d49c0e347aed41851f398a454ae0bf2b18ba308

Author: Steven Moreland

libs/gui/include/gui/InputTransferToken.h

@@ -25,7 +25,7 @@
 namespace android {
 struct InputTransferToken : public RefBase, Parcelable {
 public:
-    InputTransferToken() { mToken = new BBinder(); }
+    InputTransferToken() { mToken = sp<BBinder>::make(); }
 
     InputTransferToken(const sp<IBinder>& token) { mToken = token; }
 
@@ -50,4 +50,4 @@ static inline bool operator==(const sp<InputTransferToken>& token1,
     return token1->mToken == token2->mToken;
 }
 
-} // namespace android
+} // namespace android