added android implementation of ggml_print_backtrace_symbols (llama/8751)

added android implementation of ggml_print_backtrace_symbols (llama/8751)

* added android implementation of ggml_print_backtrace_symbols

* Update ggml/src/ggml.c

Co-authored-by: slaren <redacted>
* Update ggml/src/ggml.c

Co-authored-by: slaren <redacted>
* Update ggml/src/ggml.c

Co-authored-by: slaren <redacted>
* Update ggml/src/ggml.c

Co-authored-by: slaren <redacted>
* Update ggml/src/ggml.c

Co-authored-by: slaren <redacted>
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Co-authored-by: slaren <redacted>