Revert^2 "Harden construction sites of android::StrongPointer."

This reverts commit f73db7a6242e297ead71df0d0d1fb3a8515245d3.

Reason for revert: Scope restricted to sp<>::make which is a safe
replacement for assignment from new.

Bug: 393217449
Test: ChoreographerTests pass locally.
Flag: EXEMPT_refactor

Change-Id: I9a38c54c06cc64da099d282c05ccf20f40b70a72
diff --git a/libs/gui/BufferReleaseChannel.cpp b/libs/gui/BufferReleaseChannel.cpp
index e9cb013..4f495d0 100644
--- a/libs/gui/BufferReleaseChannel.cpp
+++ b/libs/gui/BufferReleaseChannel.cpp
@@ -108,7 +108,7 @@
 
 status_t BufferReleaseChannel::Message::unflatten(void const*& buffer, size_t& size,
                                                   int const*& fds, size_t& count) {
-    releaseFence = new Fence();
+    releaseFence = sp<Fence>::make();
     if (status_t err = releaseFence->unflatten(buffer, size, fds, count); err != OK) {
         return err;
     }
@@ -344,4 +344,4 @@
     return STATUS_OK;
 }
 
-} // namespace android::gui
\ No newline at end of file
+} // namespace android::gui