Add PRODUCT_NEXT_RELEASE_HID_FLAGGED_API for sdk targets

PRODUCT_NEXT_RELEASE_HIDE_FLAGGED_API added to the sdk targets will be used to determine whether to exclude flagged apis for next release or not.

Test: m TARGET_PRODUCT=sdk nothing
Bug: 299570421
Change-Id: I00cb84341a05e296a0c747d4921ed5fe445eabe6
diff --git a/target/product/sdk_x86.mk b/target/product/sdk_x86.mk
index 843321f..a6e3bcd 100644
--- a/target/product/sdk_x86.mk
+++ b/target/product/sdk_x86.mk
@@ -22,3 +22,5 @@
 PRODUCT_NAME := sdk_x86_64
 PRODUCT_BRAND := Android
 PRODUCT_DEVICE := mainline_x86
+
+PRODUCT_NEXT_RELEASE_HIDE_FLAGGED_API := true