docs: Fix links to narrative guides am: a1796499

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15738642

Change-Id: I80ae21e3e9cc1f74c4cafe0a6c511eb0d6284bef

core/java/android/content/Context.java

@@ -3195,7 +3195,7 @@ public abstract class Context {
      * apps targeting SDK Version {@link android.os.Build.VERSION_CODES#O}
      * or higher are not allowed to start background services from the background.
      * See
-     * <a href="{@docRoot}/about/versions/oreo/background">
+     * <a href="/about/versions/oreo/background">
      * Background Execution Limits</a>
      * for more details.
      *
@@ -3204,7 +3204,7 @@ public abstract class Context {
      * apps targeting SDK Version {@link android.os.Build.VERSION_CODES#S}
      * or higher are not allowed to start foreground services from the background.
      * See
-     * <a href="{@docRoot}/about/versions/12/behavior-changes-12">
+     * <a href="/about/versions/12/behavior-changes-12">
      * Behavior changes: Apps targeting Android 12
      * </a>
      * for more details.
@@ -3258,7 +3258,7 @@ public abstract class Context {
      * apps targeting SDK Version {@link android.os.Build.VERSION_CODES#S}
      * or higher are not allowed to start foreground services from the background.
      * See
-     * <a href="{@docRoot}/about/versions/12/behavior-changes-12">
+     * <a href="/about/versions/12/behavior-changes-12">
      * Behavior changes: Apps targeting Android 12
      * </a>
      * for more details.