Backport: Update the documentation of ANDROID_RESOLV_NO_CACHE_STORE

Make it up-to-date.

Test: N/A
Bug: 150371903
Change-Id: Ia1402a18d6d466ffbb0357127d7d45cf6c722550
(cherry picked from commit f1cf6a632da354cff3d8aed54913e1ee2909908e)
(cherry picked from commit 9ebf233e8d1c6a6be6e75c71c5be0a3531008b94)
diff --git a/include/android/multinetwork.h b/include/android/multinetwork.h
index d31d1f1..f7294a9 100644
--- a/include/android/multinetwork.h
+++ b/include/android/multinetwork.h
@@ -123,8 +123,8 @@
     ANDROID_RESOLV_NO_RETRY = 1 << 0,
 
     /**
-     * Do not cache the result of the lookup. The lookup may return a result that is already
-     * in the cache, unless the ANDROID_RESOLV_NO_CACHE_LOOKUP flag is also specified.
+     * Don't lookup this request in the cache, and don't cache the result of the lookup.
+     * This flag implies {@link #ANDROID_RESOLV_NO_CACHE_LOOKUP}.
      */
     ANDROID_RESOLV_NO_CACHE_STORE = 1 << 1,