Ensure Choreographer is held as sp<> in SurfaceControl.

Test: ChoreographerTests pass
Flag: EXEMPT refactor
Bug: 393217449
Change-Id: I60d42f383d4b73b60de1a7a1bbeec5170b805ebb

Author: Anton Ivanov

libs/gui/SurfaceControl.cpp

@@ -194,7 +194,7 @@ const std::string& SurfaceControl::getName() const {
     return mName;
 }
 
-std::shared_ptr<Choreographer> SurfaceControl::getChoreographer() {
+sp<Choreographer> SurfaceControl::getChoreographer() {
     if (mChoreographer) {
         return mChoreographer;
     }
@@ -203,7 +203,7 @@ std::shared_ptr<Choreographer> SurfaceControl::getChoreographer() {
         ALOGE("%s: No looper prepared for thread", __func__);
         return nullptr;
     }
-    mChoreographer = std::make_shared<Choreographer>(looper, getHandle());
+    mChoreographer = sp<Choreographer>::make(looper, getHandle());
     status_t result = mChoreographer->initialize();
     if (result != OK) {
         ALOGE("Failed to initialize choreographer");

libs/gui/include/gui/SurfaceControl.h

@@ -26,6 +26,7 @@
 
 #include <android/gui/ISurfaceComposerClient.h>
 
+#include <gui/Choreographer.h>
 #include <ui/FrameStats.h>
 #include <ui/PixelFormat.h>
 #include <ui/Region.h>
@@ -36,7 +37,6 @@ namespace android {
 
 // ---------------------------------------------------------------------------
 
-class Choreographer;
 class IGraphicBufferProducer;
 class Surface;
 class SurfaceComposerClient;
@@ -82,7 +82,7 @@ class SurfaceControl : public RefBase
     const std::string& getName() const;
 
     // TODO(b/267195698): Consider renaming.
-    std::shared_ptr<Choreographer> getChoreographer();
+    sp<Choreographer> getChoreographer();
 
     sp<IGraphicBufferProducer> getIGraphicBufferProducer();
 
@@ -134,7 +134,7 @@ class SurfaceControl : public RefBase
     PixelFormat mFormat = PIXEL_FORMAT_NONE;
     uint32_t mCreateFlags = 0;
     uint64_t mFallbackFrameNumber = 100;
-    std::shared_ptr<Choreographer> mChoreographer;
+    sp<Choreographer> mChoreographer;
 };
 
 }; // namespace android