llava : MobileVLM support (#4954)

* MobileVLM native implementation

* delete depthwise_conv_2d and permute_cpy relative code, replace the two by the existed functions, and opt ldp definition, support LLAMA_PERF option for CMake

* move android script to example/llava directory

* Fix the editor config checks

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Co-authored-by: Chenxiaotao03 <chenxiaotao03@meituan.com>