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cef3ca1ed3493eebaeab3e03bdf5e56b35c0b8ef by Lucas Nobre <lucaas.sn@gmail.com>:
feat: Add index tracking to handle parallel tool call using litellm
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/adk-python/pull/759 from lucasnobre212:fix/issue_484 65e22934bf839f9ea03963b9ec6c23fdce03f59f
PiperOrigin-RevId: 764902433