Merge "Add default maxBufferCount in GraphicBufferProducer" into main am: b181ba8

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3341457

Change-Id: I407697051eeb1820a2d9cca8e09f3b5cc5b99cdd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

Author: Treehugger Robot

libs/gui/include/gui/IGraphicBufferProducer.h

@@ -403,7 +403,7 @@ class IGraphicBufferProducer : public RefBase {
         uint64_t nextFrameNumber{0};
         FrameEventHistoryDelta frameTimestamps;
         bool bufferReplaced{false};
-        int maxBufferCount{0};
+        int maxBufferCount{BufferQueueDefs::NUM_BUFFER_SLOTS};
         status_t result{NO_ERROR};
     };