[Android] Avoid crash if OnPreviewFrame data argument is null or IntPtr.Zero #941
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Avoid crash if OnPreviewFrame data argument is null or IntPtr.Zero
Got crash on LG G7 thinQ:
System.ArgumentNullException: Value cannot be null. Parameter name: handle
ApxLabs.FastAndroidCamera.FastJavaByteArray..ctor (System.IntPtr handle, System.Boolean readOnly) [0x00016] in <9f646a7d069141bb922b3d2db31483e1>:0 CameraEventsListener.OnPreviewFrame (System.IntPtr data, Android.Hardware.Camera camera) INonMarshalingPreviewCallbackInvoker.n_OnPreviewFrame_arrayBLandroid_hardware_Camera_ (System.IntPtr jnienv, System.IntPtr native__this, System.IntPtr native_data, System.IntPtr native_camera) (wrapper dynamic-method) Android.Runtime.DynamicMethodNameCounter.128(intptr,intptr,intptr,intptr)