Adding 'amdgpu' target device and flatbuffer for HAL executables. #14000

Job	Run time
setup / setup	9s
Build Packages / Linux Release (x86_64)	10m 18s
Test AMD MI250 / test_mi250	4m 36s
Test AMD MI300 / test_mi300	1m 41s
Regression Test / test_regression_suite :: cpu_llvm_task	10m 12s
Regression Test / test_models :: cpu_llvm_task	4m 43s
Regression Test / test_regression_suite :: amdgpu_rocm_mi250_gfx90a	12m 17s
Regression Test / test_models :: amdgpu_rocm_mi250_gfx90a	7m 36s
Regression Test / test_regression_suite :: amdgpu_rocm_mi300_gfx942	8m 14s
Regression Test / test_models :: amdgpu_rocm_mi300_gfx942	3m 14s
Test Android / android_arm64	5m 26s
Regression Test / test_models :: amdgpu_vulkan	1m 52s
Test AMD W7900 / test_w7900	1m 32s
Test ONNX / test_onnx_models :: cpu_llvm_task	3m 13s
Test ONNX / test_onnx_ops :: cpu_llvm_sync	3m 59s
Unit Test / Linux (x86_64)	2m 40s
Test ONNX / test_onnx_ops :: amdgpu_rocm_rdna3	8m 19s
Test RISC-V 64 / riscv64	5m 6s
Test ONNX / test_onnx_ops :: amdgpu_vulkan	1m 41s
Test TensorFlow / Linux (x86_64)	2m 4s
	1h 38m 52s

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