renaming ui.properties package to observable

Test: Refactor covered by previous tests.

Change-Id: Ic437e1a9e624a21a0005f9585efbe1d56f0f046a
diff --git a/src/com/google/services/GoogleServiceLoginListener.java b/src/com/google/services/GoogleServiceLoginListener.java
index 817560a..0395e34 100644
--- a/src/com/google/services/GoogleServiceLoginListener.java
+++ b/src/com/google/services/GoogleServiceLoginListener.java
@@ -15,8 +15,8 @@
  */
 package com.google.services;
 
-import com.android.tools.idea.ui.properties.core.BoolValueProperty;
-import com.android.tools.idea.ui.properties.core.ObservableBool;
+import com.android.tools.idea.observable.core.BoolValueProperty;
+import com.android.tools.idea.observable.core.ObservableBool;
 import com.google.gct.login.GoogleLogin;
 import com.google.gct.login.GoogleLoginListener;
 import com.intellij.openapi.extensions.Extensions;
diff --git a/src/com/google/services/creators/GoogleServiceCreator.java b/src/com/google/services/creators/GoogleServiceCreator.java
index e664248..b725b9f 100644
--- a/src/com/google/services/creators/GoogleServiceCreator.java
+++ b/src/com/google/services/creators/GoogleServiceCreator.java
@@ -17,14 +17,14 @@
 
 import com.android.tools.idea.structure.services.DeveloperServiceCreator;
 import com.android.tools.idea.structure.services.ServiceContext;
-import com.android.tools.idea.ui.properties.core.ObservableBool;
-import com.android.tools.idea.ui.properties.core.StringValueProperty;
+import com.android.tools.idea.observable.core.ObservableBool;
+import com.android.tools.idea.observable.core.StringValueProperty;
 import com.google.gct.login.GoogleLogin;
 import com.google.gct.login.InvalidThreadTypeException;
 import com.google.services.GoogleServiceLoginListener;
 import org.jetbrains.annotations.NotNull;
 
-import static com.android.tools.idea.ui.properties.expressions.bool.BooleanExpressions.not;
+import static com.android.tools.idea.observable.expressions.bool.BooleanExpressions.not;
 
 /**
  * Base class for any developer service creator that relies on some additional Google specific