Fix doc build of autogenerated GuidedStepSupportFragment

Change-Id: I15e283baca31581e5acfe0b23d0bf5074bc71560
diff --git a/v17/leanback/generatev4.py b/v17/leanback/generatev4.py
index 3fdbb7a..2306594 100755
--- a/v17/leanback/generatev4.py
+++ b/v17/leanback/generatev4.py
@@ -37,6 +37,7 @@
         line = line.replace('android.app.Activity', 'android.support.v4.app.FragmentActivity')
         line = line.replace('activity.getFragmentManager()', 'activity.getSupportFragmentManager()')
         line = line.replace('Activity activity', 'FragmentActivity activity')
+        line = line.replace('(Activity', '(FragmentActivity')
         outfile.write(line)
     file.close()
     outfile.close()
diff --git a/v17/leanback/src/android/support/v17/leanback/app/GuidedStepSupportFragment.java b/v17/leanback/src/android/support/v17/leanback/app/GuidedStepSupportFragment.java
index d5fe36d..7ddde88 100644
--- a/v17/leanback/src/android/support/v17/leanback/app/GuidedStepSupportFragment.java
+++ b/v17/leanback/src/android/support/v17/leanback/app/GuidedStepSupportFragment.java
@@ -67,7 +67,7 @@
  * <p>
  * Clients use following helper functions to add GuidedStepSupportFragment to Activity or FragmentManager:
  * <ul>
- * <li>{@link #addAsRoot(Activity, GuidedStepSupportFragment, int)}, to be called during Activity onCreate,
+ * <li>{@link #addAsRoot(FragmentActivity, GuidedStepSupportFragment, int)}, to be called during Activity onCreate,
  * adds GuidedStepSupportFragment as the first Fragment in activity.</li>
  * <li>{@link #add(FragmentManager, GuidedStepSupportFragment)} or {@link #add(FragmentManager,
  * GuidedStepSupportFragment, int)}, to add GuidedStepSupportFragment on top of existing Fragments or
@@ -137,7 +137,7 @@
      * The value is initially {@link #UI_STYLE_DEFAULT} and might be changed in one of the three
      * helper functions:
      * <ul>
-     * <li>{@link #addAsRoot(Activity, GuidedStepSupportFragment, int)}</li>
+     * <li>{@link #addAsRoot(FragmentActivity, GuidedStepSupportFragment, int)}</li>
      * <li>{@link #add(FragmentManager, GuidedStepSupportFragment)} or {@link #add(FragmentManager,
      * GuidedStepSupportFragment, int)}</li>
      * </ul>