docs: add Kotlin examples and fix MULTIMODAL alias note for Android LLM runner #37307

Job	Run time
windows (pybind) / build	15m 55s
linux (linux, linux.2xlarge, executorch-ubuntu-22.04-clang12) / build	7m 19s
linux (linux, linux.arm64.2xlarge, executorch-ubuntu-22.04-gcc11-aarch64) / build	8m 34s
linux (pybind, linux.2xlarge, executorch-ubuntu-22.04-clang12) / build	7m 29s
windows (windows) / build	13m 25s
apple (llm) / build	7m 4s
linux (llm, linux.arm64.2xlarge, executorch-ubuntu-22.04-gcc11-aarch64) / build	9m 7s
apple (profiling) / build	6m 43s
linux (llm, linux.2xlarge, executorch-ubuntu-22.04-clang12) / build	7m 29s
apple (ios) / build	8m 13s
apple (macos) / build	7m 48s
apple (pybind) / build	7m 44s
linux (pybind, linux.arm64.2xlarge, executorch-ubuntu-22.04-gcc11-aarch64) / build	9m 22s
apple (ios-simulator) / build	7m 47s
zephyr (zephyr) / build	7m 54s
	2h 11m 53s

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