Add toString method to InputPointers and ResizableIntArray

Change-Id: I835ee131855bef8233cf2672e2fb288b939148a6

java/src/com/android/inputmethod/latin/InputPointers.java

@@ -124,4 +124,10 @@ public class InputPointers {
     public int[] getTimes() {
         return mTimes.getPrimitiveArray();
     }
+
+    @Override
+    public String toString() {
+        return "size=" + getPointerSize() + " id=" + mPointerIds + " time=" + mTimes
+                + " x=" + mXCoordinates + " y=" + mYCoordinates;
+    }
 }

java/src/com/android/inputmethod/latin/ResizableIntArray.java

@@ -131,4 +131,16 @@ public class ResizableIntArray {
             mLength = endPos;
         }
     }
+
+    @Override
+    public String toString() {
+        final StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < mLength; i++) {
+            if (i != 0) {
+                sb.append(",");
+            }
+            sb.append(mArray[i]);
+        }
+        return "[" + sb + "]";
+    }
 }