Add LinearLayout#getGravity

Change-Id: I290790b8e84e14f2702c6fc9c679b1c435cc13a8
diff --git a/api/current.txt b/api/current.txt
index ee4a572..ec1e23e 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -45678,6 +45678,7 @@
     method public int getBaselineAlignedChildIndex();
     method public android.graphics.drawable.Drawable getDividerDrawable();
     method public int getDividerPadding();
+    method public int getGravity();
     method public int getOrientation();
     method public int getShowDividers();
     method public float getWeightSum();
diff --git a/api/system-current.txt b/api/system-current.txt
index 187fa6b..84a50c2 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -48384,6 +48384,7 @@
     method public int getBaselineAlignedChildIndex();
     method public android.graphics.drawable.Drawable getDividerDrawable();
     method public int getDividerPadding();
+    method public int getGravity();
     method public int getOrientation();
     method public int getShowDividers();
     method public float getWeightSum();
diff --git a/api/test-current.txt b/api/test-current.txt
index 915fbee..3fe661e 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -45694,6 +45694,7 @@
     method public int getBaselineAlignedChildIndex();
     method public android.graphics.drawable.Drawable getDividerDrawable();
     method public int getDividerPadding();
+    method public int getGravity();
     method public int getOrientation();
     method public int getShowDividers();
     method public float getWeightSum();
diff --git a/core/java/android/widget/LinearLayout.java b/core/java/android/widget/LinearLayout.java
index f6e6186..e0ef86c 100644
--- a/core/java/android/widget/LinearLayout.java
+++ b/core/java/android/widget/LinearLayout.java
@@ -1781,6 +1781,16 @@
         }
     }
 
+    /**
+     * Returns the current gravity. See {@link android.view.Gravity}
+     *
+     * @return the current gravity.
+     * @see #setGravity
+     */
+    public int getGravity() {
+        return mGravity;
+    }
+
     @android.view.RemotableViewMethod
     public void setHorizontalGravity(int horizontalGravity) {
         final int gravity = horizontalGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK;