Use absolute import for activity_session_detail

Bug: #118
Change-Id: Ib752b9f875e4062732787036230fdd590ea5e953

Author: winstonsung

app/src/main/res/layout/activity_session_detail.xml

@@ -11,7 +11,7 @@
         android:id="@+id/app_bar"
         android:layout_width="match_parent"
         android:layout_height="@dimen/app_bar_height"
-        app:layout_behavior=".ui.sessiondetail.ScrollingControlAppBarLayoutBehavior"
+        app:layout_behavior="app.opass.ccip.ui.sessiondetail.ScrollingControlAppBarLayoutBehavior"
         android:theme="@style/AppTheme.AppBarOverlay">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout