Update change log and spec for wrt-plugins-tizen_0.4.54

Update change log and spec for wrt-plugins-tizen_0.4.54

[model] REDWOOD
[binary_type] PDA
[customer] OPEN

[Issue] N/A
[Problem] frequent launch error in RSA.
[Cause] appcontrol timeout.
[Solution] retry mechanism addision.

[Issue] TDIS-6899
[Problem] sent message can not be seen and no confirmation message on Chatter
[Cause] use connection_get_type for network state check
[Solution] use connection_get_cellular_state for network state check

[team] WebAPI
[request] N/A
[horizontal_expansion] N/A

UnitTC passed.