Remove path prefix within VNDK snapshot zip

Remove 'android-vndk-snapshot' path prefix when creating VNDK
snapshot zip with soong_zip. The path prefix makes it cumbersome
to unzip and install the snapshots to prebuilts/vndk/v{version}.

Test: development/vndk/snapshot/build.sh &&
python development/vndk/snapshot/update.py
Bug: 69950927
Change-Id: I9e5a1898056627ba98a408f048b7cb710e5ef07c
diff --git a/core/tasks/vndk.mk b/core/tasks/vndk.mk
index a3ec16a..962fae1 100644
--- a/core/tasks/vndk.mk
+++ b/core/tasks/vndk.mk
@@ -162,7 +162,7 @@
 	$(call private-copy-vndk-intermediates, \
 		$(PRIVATE_VNDK_CORE_OUT),$(PRIVATE_VNDK_CORE_INTERMEDIATES))
 	$(call private-copy-vndk-intermediates, \
-	 	$(PRIVATE_VNDK_SP_OUT),$(PRIVATE_VNDK_SP_INTERMEDIATES))
+		$(PRIVATE_VNDK_SP_OUT),$(PRIVATE_VNDK_SP_INTERMEDIATES))
 	$(call private-copy-vndk-intermediates, \
 		$(PRIVATE_CONFIGS_OUT),$(PRIVATE_CONFIGS_INTERMEDIATES))
 # TODO(b/69834489): Package additional arch variants
@@ -172,8 +172,7 @@
 # 	$(call private-copy-vndk-intermediates, \
 # 		$(PRIVATE_VNDK_SP_OUT_2ND),$(PRIVATE_VNDK_SP_INTERMEDIATES_2ND))
 # endif
-	$(hide) $(SOONG_ZIP) -o $@ -P android-vndk-snapshot -C $(PRIVATE_VNDK_SNAPSHOT_OUT) \
-	-D $(PRIVATE_VNDK_SNAPSHOT_OUT)
+	$(hide) $(SOONG_ZIP) -o $@ -C $(PRIVATE_VNDK_SNAPSHOT_OUT) -D $(PRIVATE_VNDK_SNAPSHOT_OUT)
 
 .PHONY: vndk
 vndk: $(vndk_snapshot_zip)