Import java.text.DecimalFormat instead of one from ICU

app/src/main/java/org/isoron/uhabits/activities/habits/edit/views/TargetPanel.java

@@ -21,7 +21,6 @@ package org.isoron.uhabits.activities.habits.edit.views;
 
 import android.content.*;
 import android.content.res.*;
-import android.icu.text.*;
 import android.support.annotation.*;
 import android.util.*;
 import android.view.*;
@@ -29,6 +28,8 @@ import android.widget.*;
 
 import org.isoron.uhabits.R;
 
+import java.text.DecimalFormat;
+
 import butterknife.*;
 
 

app/src/main/java/org/isoron/uhabits/activities/habits/list/views/NumberButtonView.java

@@ -22,7 +22,6 @@ package org.isoron.uhabits.activities.habits.list.views;
 import android.content.*;
 import android.content.res.*;
 import android.graphics.*;
-import android.icu.text.*;
 import android.support.annotation.*;
 import android.text.*;
 import android.util.*;
@@ -32,6 +31,8 @@ import org.isoron.uhabits.*;
 import org.isoron.uhabits.activities.habits.list.controllers.*;
 import org.isoron.uhabits.utils.*;
 
+import java.text.DecimalFormat;
+
 import static org.isoron.uhabits.utils.AttributeSetUtils.*;
 import static org.isoron.uhabits.utils.ColorUtils.*;