Merge pull request #23161 from dkurt:dnn_tflite

TFLite models importer

* initial commit

* Refactor TFLiteImporter

* Better FlatBuffers detection

* Add permute before 4D->3D reshape

* Track layers layout

* TFLite Convolution2DTransposeBias layer

* Skip TFLite tests without FlatBuffers

* Fix check of FlatBuffers in tests. Add readNetFromTFLite from buffer

* TFLite Max Unpooling test

* Add skip for TFLite unpooling test

* Revert DW convolution workaround

* Fix ObjC bindings

* Better errors handling

* Regenerate TFLite schema using flatc

* dnn(tflite): more checks, better logging

* Checks for unimplemented fusion. Fix tests

modules/dnn/misc/objc/gen_dict.json

@@ -8,7 +8,9 @@
             "(Net*)readNetFromONNX:(NSString*)onnxFile" : { "readNetFromONNX" : {"name" : "readNetFromONNXFile"} },
             "(Net*)readNetFromONNX:(ByteVector*)buffer" : { "readNetFromONNX" : {"name" : "readNetFromONNXBuffer"} },
             "(Net*)readNetFromTensorflow:(NSString*)model config:(NSString*)config" : { "readNetFromTensorflow" : {"name" : "readNetFromTensorflowFile"} },
-            "(Net*)readNetFromTensorflow:(ByteVector*)bufferModel bufferConfig:(ByteVector*)bufferConfig" : { "readNetFromTensorflow" : {"name" : "readNetFromTensorflowBuffer"} }
+            "(Net*)readNetFromTensorflow:(ByteVector*)bufferModel bufferConfig:(ByteVector*)bufferConfig" : { "readNetFromTensorflow" : {"name" : "readNetFromTensorflowBuffer"} },
+            "(Net*)readNetFromTFLite:(NSString*)model" : { "readNetFromTFLite" : {"name" : "readNetFromTFLiteFile"} },
+            "(Net*)readNetFromTFLite:(ByteVector*)buffer" : { "readNetFromTFLite" : {"name" : "readNetFromTFLiteBuffer"} }
         },
         "Net": {
             "(void)forward:(NSMutableArray<Mat*>*)outputBlobs outputName:(NSString*)outputName" : { "forward" : {"name" : "forwardOutputBlobs"} },