Apply clang-format for core/iwasm/compilation and core/iwasm/libraries files. Add wasm-c-api empty_imports sample to workflow test. And enable triggering workflow when core/config.h changes.
And enable cmake build in workflows with multiple cpu cores.
Refactor CI rules: - merge ubuntu/macos/android into one job file - add job file to test spec cases - add compilation for lazy jit, debug interpreter and debug aot - add compilation for performance profile, dump call stack and mini-loader - re-org llvm build script to build lldb Signed-off-by: Wenyong Huang <wenyong.huang@intel.com>
