reload library based on fw_image_flag in fw manifest #5556

Job	Run time
Sparse check	6m 46s
GCC build X86_64 with W=1	3m 33s
Clang build x86_64	4m 43s
GCC build arm64	22m 37s
GCC build arm64 allmodconfig	2m 5s
GCC build i386	21m 6s
GCC build X86_64	32m 35s
GCC build X86_64 with W=1 allmodconfig	2m 39s
GCC static -fanalyzer	5m 12s
	1h 41m 16s

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