Prepare api directory for udc mainline branch

udc-extended-api directory will be used only in udc mainline branch to
hide @FlaggedApi annotated api which is not supported in that branch

Copied api directories from udc mainline branch.

Bug: 299411828
Test: TH
Change-Id: I86023b1fb3e5f9b4b787a564303e6d2e60f74467
diff --git a/framework-t/udc-extended-api/module-lib-lint-baseline.txt b/framework-t/udc-extended-api/module-lib-lint-baseline.txt
new file mode 100644
index 0000000..3158bd4
--- /dev/null
+++ b/framework-t/udc-extended-api/module-lib-lint-baseline.txt
@@ -0,0 +1,7 @@
+// Baseline format: 1.0
+BannedThrow: android.app.usage.NetworkStatsManager#queryDetailsForUidTagState(android.net.NetworkTemplate, long, long, int, int, int):
+    Methods must not mention RuntimeException subclasses in throws clauses (was `java.lang.SecurityException`)
+BannedThrow: android.app.usage.NetworkStatsManager#querySummary(android.net.NetworkTemplate, long, long):
+    Methods must not mention RuntimeException subclasses in throws clauses (was `java.lang.SecurityException`)
+BannedThrow: android.app.usage.NetworkStatsManager#queryTaggedSummary(android.net.NetworkTemplate, long, long):
+    Methods must not mention RuntimeException subclasses in throws clauses (was `java.lang.SecurityException`)