Update change log and spec for wrt-plugins-tizen_0.4.42

Update change log and spec for wrt-plugins-tizen_0.4.42

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

[Issue] N/A
[Problem] remove build warning
[Cause] remove build warning
[Solution] remove build warning

[Bluetooth] Do not check whether bluetooth is supported or not. tizen.bluetooth returns undefined if bluetooth is not supported.

[Systeminfo] add exception code about inputKeyMenu&inputKeyBack attribute

[Issue#] N/A
[Problem] prevent issue
[Cause] dereference without checking null
[Solution] add routine

[Issue] orange CQ H0100189518
[Problem] does not check mode when resolving 'ringtones'
[Cause] unexpected platform path change.
[Solution] path modification.

[Issue] N/A
[Problem] message conversation bug fix for to and from
[Cause] message conversation bug fix for to and from
[Solution] message conversation bug fix for to and from

[Issue] DCM 1886.
[Problem] sync api performance issue.
[Cause] using dlp event.
[Solution] remove dpl event.

[Systeminfo] Change get imei, sim value code
[NBS] Move code about privilege check

[Issue] N/A
[Problem] email conversation listener update bug fix
[Cause] email conversation listener update bug fix
[Solution] email conversation listener update bug fix

[Issue] N/A
[Problem] remove build warning
[Cause] remove build warning
[Solution] remove build warning

[Issue#] N/A
[Problem] Returned 'undefined' if it has no priv obj
[Cause] Check tightly
[Solution] Return value if static value requested

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