vendor: bump for LineageSDK API 9

Change-Id: I9ddb1c359bd0eaf03f150986e0b26bdcb81d481a
Signed-off-by: Joey <joey@lineageos.org>
diff --git a/config/lineage_sdk_common.mk b/config/lineage_sdk_common.mk
index 19b63a4..d92ed2d 100644
--- a/config/lineage_sdk_common.mk
+++ b/config/lineage_sdk_common.mk
@@ -29,7 +29,7 @@
   # the SDK are released.  It should only be incremented when the APIs for
   # the new release are frozen (so that developers don't write apps against
   # intermediate builds).
-  LINEAGE_PLATFORM_SDK_VERSION := 8
+  LINEAGE_PLATFORM_SDK_VERSION := 9
 endif
 
 ifndef LINEAGE_PLATFORM_REV