Cleanup createVndkSourceAbiDump()

This commit cleans up `createVndkSourceAbiDump()` and renames it to
`shouldcreateVndkSourceAbiDump()`.

Test: lunch aosp_walleye-userdebug && make
Change-Id: Iff4379e2812c4b5c5baff288b938eed5d92e024f
diff --git a/cc/cc.go b/cc/cc.go
index 8d05038..89d45a9 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -223,7 +223,7 @@
 	isVndkSp() bool
 	isVndkExt() bool
 	inRecovery() bool
-	createVndkSourceAbiDump() bool
+	shouldCreateVndkSourceAbiDump() bool
 	selectedStl() string
 	baseModuleName() string
 	getVndkExtendsModuleName() string
@@ -562,16 +562,29 @@
 	return ctx.mod.inRecovery()
 }
 
-// Create source abi dumps if the module belongs to the list of VndkLibraries.
-func (ctx *moduleContextImpl) createVndkSourceAbiDump() bool {
-	skipAbiChecks := ctx.ctx.Config().IsEnvTrue("SKIP_ABI_CHECKS")
-	isVariantOnProductionDevice := true
-	sanitize := ctx.mod.sanitize
-	if sanitize != nil {
-		isVariantOnProductionDevice = sanitize.isVariantOnProductionDevice()
+// Check whether ABI dumps should be created for this module.
+func (ctx *moduleContextImpl) shouldCreateVndkSourceAbiDump() bool {
+	if ctx.ctx.Config().IsEnvTrue("SKIP_ABI_CHECKS") {
+		return false
 	}
-	vendorAvailable := Bool(ctx.mod.VendorProperties.Vendor_available)
-	return !skipAbiChecks && isVariantOnProductionDevice && ctx.ctx.Device() && ((ctx.useVndk() && ctx.isVndk() && (vendorAvailable || ctx.isVndkExt())) || inList(ctx.baseModuleName(), llndkLibraries))
+	if sanitize := ctx.mod.sanitize; sanitize != nil {
+		if !sanitize.isVariantOnProductionDevice() {
+			return false
+		}
+	}
+	if !ctx.ctx.Device() {
+		// Host modules do not need ABI dumps.
+		return false
+	}
+	if inList(ctx.baseModuleName(), llndkLibraries) {
+		return true
+	}
+	if ctx.useVndk() && ctx.isVndk() {
+		// Return true if this is VNDK-core, VNDK-SP, or VNDK-Ext and this is not
+		// VNDK-private.
+		return Bool(ctx.mod.VendorProperties.Vendor_available) || ctx.isVndkExt()
+	}
+	return false
 }
 
 func (ctx *moduleContextImpl) selectedStl() string {
diff --git a/cc/library.go b/cc/library.go
index 3bc1001..e92cf9d 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -362,7 +362,7 @@
 		}
 		return Objects{}
 	}
-	if ctx.createVndkSourceAbiDump() || library.sabi.Properties.CreateSAbiDumps {
+	if ctx.shouldCreateVndkSourceAbiDump() || library.sabi.Properties.CreateSAbiDumps {
 		exportIncludeDirs := library.flagExporter.exportedIncludes(ctx)
 		var SourceAbiFlags []string
 		for _, dir := range exportIncludeDirs.Strings() {
@@ -632,14 +632,12 @@
 }
 
 func (library *libraryDecorator) linkSAbiDumpFiles(ctx ModuleContext, objs Objects, fileName string, soFile android.Path) {
-	//Also take into account object re-use.
-	if len(objs.sAbiDumpFiles) > 0 && ctx.createVndkSourceAbiDump() {
+	if len(objs.sAbiDumpFiles) > 0 && ctx.shouldCreateVndkSourceAbiDump() {
 		vndkVersion := ctx.DeviceConfig().PlatformVndkVersion()
 		if ver := ctx.DeviceConfig().VndkVersion(); ver != "" && ver != "current" {
 			vndkVersion = ver
 		}
 
-		refSourceDumpFile := android.PathForVndkRefAbiDump(ctx, vndkVersion, fileName, vndkVsNdk(ctx), true)
 		exportIncludeDirs := library.flagExporter.exportedIncludes(ctx)
 		var SourceAbiFlags []string
 		for _, dir := range exportIncludeDirs.Strings() {
@@ -650,6 +648,8 @@
 		}
 		exportedHeaderFlags := strings.Join(SourceAbiFlags, " ")
 		library.sAbiOutputFile = TransformDumpToLinkedDump(ctx, objs.sAbiDumpFiles, soFile, fileName, exportedHeaderFlags)
+
+		refSourceDumpFile := android.PathForVndkRefAbiDump(ctx, vndkVersion, fileName, vndkVsNdk(ctx), true)
 		if refSourceDumpFile.Valid() {
 			unzippedRefDump := UnzipRefDump(ctx, refSourceDumpFile.Path(), fileName)
 			library.sAbiDiff = SourceAbiDiff(ctx, library.sAbiOutputFile.Path(),