TabLayout text color handling improvements

We now accept ColorStateLists via app:tabTextColor.

Change-Id: If234a61983b1fd6ddc8509092f39522b63aecb32
diff --git a/design/api/current.txt b/design/api/current.txt
index 94c5188..f533f75 100644
--- a/design/api/current.txt
+++ b/design/api/current.txt
@@ -230,7 +230,7 @@
     method public int getTabCount();
     method public int getTabGravity();
     method public int getTabMode();
-    method public int getTabSelectedTextColor();
+    method public android.content.res.ColorStateList getTabTextColors();
     method public android.support.design.widget.TabLayout.Tab newTab();
     method public void removeAllTabs();
     method public void removeTab(android.support.design.widget.TabLayout.Tab);
@@ -239,7 +239,8 @@
     method public void setScrollPosition(int, float, boolean);
     method public void setTabGravity(int);
     method public void setTabMode(int);
-    method public void setTabSelectedTextColor(int);
+    method public void setTabTextColors(android.content.res.ColorStateList);
+    method public void setTabTextColors(int, int);
     field public static final int GRAVITY_CENTER = 1; // 0x1
     field public static final int GRAVITY_FILL = 0; // 0x0
     field public static final int MODE_FIXED = 1; // 0x1