apex: remove compat symlinks to vndk apex

For R+, symlinks from /system/lib to VNDK APEX are not necessary. (Note
that, symlinks to older VNDK are still necessary because older vendor
may access old locations.)

Hence, do not make symlinks for R+ VNDK APEX.

Bug: 142911355
Test: m # check /system/lib[64]/ for symlinks
        # cf should contain 28/29 symlinks but no symlinks for R
Exempt-From-Owner-Approval: cp from internal
Merged-In: I852fad7edebed3e4edc03c374b3643da6b053fed
Change-Id: I852fad7edebed3e4edc03c374b3643da6b053fed
(cherry picked from commit 84026389e7d959a90287fbd3bd1aba9754d3fa84)
diff --git a/apex/vndk.go b/apex/vndk.go
index 2a0d5b0..f948d76 100644
--- a/apex/vndk.go
+++ b/apex/vndk.go
@@ -16,6 +16,7 @@
 
 import (
 	"path/filepath"
+	"strconv"
 	"strings"
 	"sync"
 
@@ -121,10 +122,13 @@
 	// When all hard-coded references are fixed, remove symbolic links
 	// Note that  we should keep following symlinks for older VNDKs (<=29)
 	// Since prebuilt vndk libs still depend on system/lib/vndk path
-	if strings.HasPrefix(name, vndkApexName) {
-		vndkVersion := ctx.DeviceConfig().PlatformVndkVersion()
-		if strings.HasPrefix(name, vndkApexNamePrefix) {
-			vndkVersion = strings.TrimPrefix(name, vndkApexNamePrefix)
+	if strings.HasPrefix(name, vndkApexNamePrefix) {
+		vndkVersion := strings.TrimPrefix(name, vndkApexNamePrefix)
+		if numVer, err := strconv.Atoi(vndkVersion); err != nil {
+			ctx.ModuleErrorf("apex_vndk should be named as %v<ver:number>: %s", vndkApexNamePrefix, name)
+			return
+		} else if numVer > android.SdkVersion_Android10 {
+			return
 		}
 		// the name of vndk apex is formatted "com.android.vndk.v" + version
 		apexName := vndkApexNamePrefix + vndkVersion