ThemesProvider: Fix query compilation error

This fixes syntax error when excute the SELECT Clause

06-11 13:45:39.370: E/AndroidRuntime(3359): java.lang.RuntimeException: Unable to start
receiver org.cyanogenmod.themes.provider.AppReceiver: android.database.sqlite.SQLiteException:
near "?": syntax error (code 1): , while compiling: SELECT pkg_name FROM themes WHERE (pkg_name?)

Change-Id: If9857b1db447e8752ddf04ce3f7d2cc84d5b28a5
Automatic translation import

Change-Id: I3d8ee2920861a04e551bc632f2aff48b0733fe7b
Merge remote-tracking branch 'cm/cm-11.0' into kk4.4