[EFL] Reenabled INDEXED_DATABASE after r150344
https://bugs.webkit.org/show_bug.cgi?id=116430

Reviewed by Gyuyoung Kim.

.:

Reenable INDEXED_DATABASE flag for EFL port now that WebKit2
build was fixed in r150344.

* Source/cmake/OptionsEfl.cmake:

Tools:

Reenable INDEXED_DATABASE flag for EFL port now that WebKit2
build was fixed in r150344.

* Scripts/webkitperl/FeatureList.pm:

LayoutTests:

Unskip indexeddb layout tests for EFL port now that the functionality
is reenabled at compile time.

* platform/efl/TestExpectations:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150368 268f45cc-cd09-0410-ab3c-d52691b4dbfc