Bump NetworkStack target SDK to 35.

Make NetworkStack module be up-to-date with latest SDK.

behavior changes for SDK 35:
https://developer.android.com/about/versions/15/behavior-changes-15

Bug: 345078538
Test: atest NetworkStackTests
Test: atest NetworkStackRootTests
Test: manual testing
(cherry picked from https://android-review.googlesource.com/q/commit:1d3a31431d3585a99c23d20876890ff25def01dd)
Merged-In: Ife57b15efd381a488ea1310dac81e50a8aa462bb
Change-Id: Ife57b15efd381a488ea1310dac81e50a8aa462bb

Android.bp

diff --git a/Android.bp b/Android.bp
index 2dcaa6b..3712ba6 100644
--- a/Android.bp
+++ b/Android.bp
@@ -78,7 +78,7 @@
 java_defaults {
     name: "NetworkStackReleaseTargetSdk",
     min_sdk_version: "30",
-    target_sdk_version: "34",
+    target_sdk_version: "35",
 }
 
 java_defaults {