more tweaks to visibility of methods, variables

Change-Id: Ia51395f89a5d3aa3994b550ab142519774dbe0f1
diff --git a/uiautomator/library/src/com/android/uiautomator/core/UiScrollable.java b/uiautomator/library/src/com/android/uiautomator/core/UiScrollable.java
index 4fc8afa..3f05921 100644
--- a/uiautomator/library/src/com/android/uiautomator/core/UiScrollable.java
+++ b/uiautomator/library/src/com/android/uiautomator/core/UiScrollable.java
@@ -38,7 +38,7 @@
     private static int mMaxSearchSwipes = 30;
 
     // Used in ScrollForward() and ScrollBackward() to determine swipe direction
-    protected boolean mIsVerticalList = true;
+    private boolean mIsVerticalList = true;
 
     private double mSwipeDeadZonePercentage = DEFAULT_SWIPE_DEADZONE_PCT;
 
diff --git a/uiautomator/library/src/com/android/uiautomator/core/UiSelector.java b/uiautomator/library/src/com/android/uiautomator/core/UiSelector.java
index be88804..813b35d 100644
--- a/uiautomator/library/src/com/android/uiautomator/core/UiSelector.java
+++ b/uiautomator/library/src/com/android/uiautomator/core/UiSelector.java
@@ -54,7 +54,6 @@
     static final int SELECTOR_COUNT = 23;
 
     private SparseArray<Object> mSelectorAttributes = new SparseArray<Object>();
-    public static final String LOG_TAG = UiSelector.class.getSimpleName();
 
     public UiSelector() {
     }
diff --git a/uiautomator/library/src/com/android/uiautomator/testrunner/UiAutomatorTestCase.java b/uiautomator/library/src/com/android/uiautomator/testrunner/UiAutomatorTestCase.java
index d440a9e..d119693 100644
--- a/uiautomator/library/src/com/android/uiautomator/testrunner/UiAutomatorTestCase.java
+++ b/uiautomator/library/src/com/android/uiautomator/testrunner/UiAutomatorTestCase.java
@@ -116,7 +116,7 @@
         SystemClock.sleep(ms);
     }
 
-    protected void setDummyIme() throws RemoteException {
+    private void setDummyIme() throws RemoteException {
         IInputMethodManager im = IInputMethodManager.Stub.asInterface(ServiceManager
                 .getService(Context.INPUT_METHOD_SERVICE));
         List<InputMethodInfo> infos = im.getInputMethodList();
@@ -133,7 +133,7 @@
         im.setInputMethod(null, id);
     }
 
-    protected void restoreActiveIme() throws RemoteException {
+    private void restoreActiveIme() throws RemoteException {
         // TODO: figure out a way to restore active IME
         // Currently retrieving active IME requires querying secure settings provider, which is hard
         // to do without a Context; so the caveat here is that to make the post test device usable,