External Camera: more CTS fix

Test: CameraDeviceTest, CaptureResultTest, StaticMetadataTest
      ExtendedCameraCharacteristicsTest, RobustnessTest
Bug: 72261912

Change-Id: Id99d86db99a905afcc41d3e9d297ce3533d852a2
diff --git a/camera/device/3.4/default/ExternalCameraDevice.cpp b/camera/device/3.4/default/ExternalCameraDevice.cpp
index 4ad1768..d6c31f3 100644
--- a/camera/device/3.4/default/ExternalCameraDevice.cpp
+++ b/camera/device/3.4/default/ExternalCameraDevice.cpp
@@ -47,7 +47,7 @@
 //       Also make sure that can be done without editing source code
 
 // TODO: b/72261675: make it dynamic since this affects memory usage
-const int kMaxJpegSize = {13 * 1024 * 1024};  // 13MB
+const int kMaxJpegSize = {5 * 1024 * 1024};  // 5MB
 } // anonymous namespace
 
 ExternalCameraDevice::ExternalCameraDevice(const std::string& cameraId) :