Update SDK, Gradle and packages

Fix timezone issues
Add timezone tests

.idea/deploymentTargetSelector.xml

@@ -4,6 +4,7 @@
     <selectionStates>
       <SelectionState runConfigName="donextv2">
         <option name="selectionMode" value="DROPDOWN" />
+        <DialogSelection />
       </SelectionState>
       <SelectionState runConfigName="donext">
         <option name="selectionMode" value="DROPDOWN" />

.idea/gradle.xml

@@ -6,7 +6,6 @@
       <GradleProjectSettings>
         <option name="testRunner" value="CHOOSE_PER_TEST" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />