ExactCalculator: Keep history toolbar readable

Change-Id: Ie258e302eca6403bdd571326b0d7d2e78c86d93c
diff --git a/res/layout/fragment_history.xml b/res/layout/fragment_history.xml
index 6dda2a2..02222c8 100644
--- a/res/layout/fragment_history.xml
+++ b/res/layout/fragment_history.xml
@@ -19,7 +19,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:clipChildren="false"
+    android:clipChildren="true"
     android:orientation="vertical">
 
     <androidx.appcompat.widget.Toolbar