Include FlaggedApi.bp in main

This CL cherry-pick ag/26004993 to aosp-main-future.
After this CL, aosp/2927450 can be merged.

Test: TH
Bug: 321624552
Ignore-AOSP-First: Merged in aosp/2927450
Change-Id: Iecb6f4d0a6e5e036299783b49108df3a88c5493e
Merged-In: Iecb6f4d0a6e5e036299783b49108df3a88c5493e
diff --git a/common/Android.bp b/common/Android.bp
index f4b4cae..0048a0a 100644
--- a/common/Android.bp
+++ b/common/Android.bp
@@ -20,6 +20,8 @@
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
+build = ["FlaggedApi.bp"]
+
 // This is a placeholder comment to avoid merge conflicts
 // as the above target may not exist
 // depending on the branch