Take padding information into StaticLayout

This is useful for figuring out if we should adjust width of text
in case the overhangs are more than available padding.

Bug: 63938206
Test: pending
Change-Id: I04592a7cbce264fe133e17e4df0daee626a99d85
diff --git a/core/java/android/text/Layout.java b/core/java/android/text/Layout.java
index 25f791b..c3b2a16 100644
--- a/core/java/android/text/Layout.java
+++ b/core/java/android/text/Layout.java
@@ -1915,8 +1915,7 @@
         return margin;
     }
 
-    /* package */
-    static float measurePara(TextPaint paint, CharSequence text, int start, int end,
+    private static float measurePara(TextPaint paint, CharSequence text, int start, int end,
             TextDirectionHeuristic textDir) {
         MeasuredText mt = MeasuredText.obtain();
         TextLine tl = TextLine.obtain();