Update change log and spec for wrt-plugins-tizen_0.4.49

Update change log and spec for wrt-plugins-tizen_0.4.49

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

[Issue] N/A
[Problem] createOpId bug fix
[Cause] createOpId bug fix
[Solution] createOpId bug fix

[Issue#] N/A
[Problem] Filter returns the Date value as UTC
[Cause] Filter create tm value from time_t value
[Solution] Add JSValueToDateTm function and use it

[Issue#] N/A
[Problem] TCT fail, intensive test
[Cause] internal error
[Solution] fix code

[Issue#] N_SE-43481
[Problem] Lockup occures when turn on bluetooth on Emulator
[Cause] reponse delay ocuures on Emulator
[Solution] Don't call Core API if BT is not supported

[WebSetting] Rollback testset.xml and createPackage.xml to exclude websetting tc.

[Systeminfo] Fix get capabilities info

[Systeminfo] Change Sim enum value(Sync rsa code)

[Issue] N/A
[Problem] appcontrol launch fail on RSA binary
[Cause] appcontrol launch fail.
[Solution] handle exception event.

[Issue#] N/A
[Problem] N/A
[Cause] comparison between signed and unsigned integer expressions
[Solution] use sit_t instead of int.

[Issue#] N/A
[Problem] WebAPIErrorFactory has risk
[Cause] assert codes were not removed
[Solution] removed assert codes

[Issue#] N/A
[Problem] Some codes have useless header
[Cause] assert head
[Solution] removed assert heads

[Issue] N/A
[Problem] If object is finalized before completing async function, it makes crash
[Cause] It calls async function with this pointer. If the this is finalized and callback is called, it can access the pointer that is free.
[Solution] It will protect thisobject until completing async function
[SCMRequest] N/A

[Systeminfo] Remove build warning

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