fix testcases in c_api_transforms_test.cc

From: @zh_qh
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From: @liangzhibo
Reviewed-by: @kingxian,@jpc_chenjianping
Signed-off-by: @kingxian

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Remove the routine of handling isolated nodes in Renormalize.
Add isolated nodes from Parser&Resolver.
Modify isolated nodes handling in FG&Manager.
Optimize the renormalize routines.
Other optimizations.

From: @jojobugfree
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From: @jojobugfree
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From: @hfarahat
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From: @ezphlow
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From: @alexyuyue
Reviewed-by: @nsyca
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Fixed compile error

Fixed more testcases

From: @donghufeng
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From: @luoyang42
Reviewed-by: @pandoublefeng,@heleiwang,@liucunwei
Signed-off-by: @pandoublefeng,@liucunwei

From: @yangzhenzhang
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From: @ouwenchang
Reviewed-by: @yelihua
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And support multiple tensor as input in call method

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

From: @cathwong
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From: @tina_mengting_zhang
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From: @anancds
Reviewed-by: @cristoval,@xsmq
Signed-off-by: @cristoval

From: @yuchaojie
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From: @ginfung
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From: @anancds
Reviewed-by: @cristoval,@limingqi107
Signed-off-by: @cristoval

From: @zhoufeng54
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From: @anancds
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From: @cathwong
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Signed-off-by: zhoufeng <zhoufeng54@huawei.com>

From: @lianliguang
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plus UTs

From: @mhmotallebi
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From: @ezphlow
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From: @zh_qh
Reviewed-by: @ginfung,@hwhewei
Signed-off-by: @ginfung

From: @ginfung
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From: @zhangbuxue
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