Rename SubSettingLauncher.setTitle, add java doc

For make this method usage more clear,
setTitle(charSequence) rename as setTitleText,
add java doc: it is only for user generated string
setTitle(int) rename as setTitleRes.

Change-Id: I972cb6a8ff90873dfdc25c23f6dc3d68103c8e4e
Fixes: 78347436
Test: make RunSettingsRoboTests

src/com/android/settings/core/SubSettingLauncher.java

@@ -48,18 +48,37 @@ public class SubSettingLauncher {
         return this;
     }
 
-    public SubSettingLauncher setTitle(@StringRes int titleResId) {
-        return setTitle(null /*titlePackageName*/, titleResId);
+    /**
+     * Set title with resource string id.
+     *
+     * @param titleResId res id of string
+     */
+    public SubSettingLauncher setTitleRes(@StringRes int titleResId) {
+        return setTitleRes(null /*titlePackageName*/, titleResId);
     }
 
-    public SubSettingLauncher setTitle(String titlePackageName, @StringRes int titleResId) {
+    /**
+     * Set title with resource string id, and package name to resolve the resource id.
+     *
+     * @param titlePackageName package name to resolve resource
+     * @param titleResId       res id of string, will use package name to resolve
+     */
+    public SubSettingLauncher setTitleRes(String titlePackageName, @StringRes int titleResId) {
         mLaunchRequest.titleResPackageName = titlePackageName;
         mLaunchRequest.titleResId = titleResId;
         mLaunchRequest.title = null;
         return this;
     }
 
-    public SubSettingLauncher setTitle(CharSequence title) {
+    /**
+     * Set title with text,
+     * This method is only for user generated string,
+     * display text will not update after locale change,
+     * if title string is from resource id, please use setTitleRes.
+     *
+     * @param title text title
+     */
+    public SubSettingLauncher setTitleText(CharSequence title) {
         mLaunchRequest.title = title;
         return this;
     }