Bump SDK Extension version to 8

This bump includes Adservices, Extservices and Mediaprovider.

Bug: 290366486
Test: The build passes
Ignore-AOSP-first: SDKs are finalized outside of AOSP
Change-Id: I01564c7bccb63f328752bd3d0e70cebfafa560db
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 8dc4257..4442b10 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -79,7 +79,7 @@
 .KATI_READONLY := PLATFORM_SDK_VERSION
 
 # This is the sdk extension version of this tree.
-PLATFORM_SDK_EXTENSION_VERSION := 7
+PLATFORM_SDK_EXTENSION_VERSION := 8
 .KATI_READONLY := PLATFORM_SDK_EXTENSION_VERSION
 
 # This is the sdk extension version that PLATFORM_SDK_VERSION ships with.