Version bump to AP3A.240905.015.A2 [core/build_id.mk]

Change-Id: I3e2152d0e109ecc6c89c249dea678afc93faf62b
diff --git a/core/build_id.mk b/core/build_id.mk
index 1e6cb87..e0aec24 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-BUILD_ID=AP3A.240905.015.A1
+BUILD_ID=AP3A.240905.015.A2