Skip version mutator for host/ramdisk/recovery

"version" mutator creates stubs variants for "cc" libraries with
"stubs.versions". These stubs are for APEX-APEX or APEX-Platform
boundaries.

For host/ramdisk/recovery variants, stubs are not necessary.

Exempt-From-Owner-Approval: cp from internal

Bug: 153698496
Test: m
Merged-In: Id576c4318d9d69246a4a7e2fb4145d5fd2ab9416
Change-Id: Id576c4318d9d69246a4a7e2fb4145d5fd2ab9416
(cherry picked from commit c40b5193fefc962d296d587a546d0427d5a77f70)
diff --git a/cc/cc.go b/cc/cc.go
index 6e02b24..eaf02a9 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -1909,8 +1909,7 @@
 	addSharedLibDependencies := func(depTag DependencyTag, name string, version string) {
 		var variations []blueprint.Variation
 		variations = append(variations, blueprint.Variation{Mutator: "link", Variation: "shared"})
-		versionVariantAvail := !c.InRecovery() && !c.InRamdisk()
-		if version != "" && versionVariantAvail {
+		if version != "" && VersionVariantAvailable(c) {
 			// Version is explicitly specified. i.e. libFoo#30
 			variations = append(variations, blueprint.Variation{Mutator: "version", Variation: version})
 			depTag.ExplicitlyVersioned = true
@@ -1920,7 +1919,7 @@
 		// If the version is not specified, add dependency to all stubs libraries.
 		// The stubs library will be used when the depending module is built for APEX and
 		// the dependent module is not in the same APEX.
-		if version == "" && versionVariantAvail {
+		if version == "" && VersionVariantAvailable(c) {
 			for _, ver := range stubsVersionsFor(actx.Config())[name] {
 				// Note that depTag.ExplicitlyVersioned is false in this case.
 				actx.AddVariationDependencies([]blueprint.Variation{
@@ -2318,7 +2317,7 @@
 			}
 			if ccDep.CcLibrary() && !depIsStatic {
 				depIsStubs := ccDep.BuildStubs()
-				depHasStubs := ccDep.HasStubsVariants()
+				depHasStubs := VersionVariantAvailable(c) && ccDep.HasStubsVariants()
 				depInSameApex := android.DirectlyInApex(c.ApexName(), depName)
 				depInPlatform := !android.DirectlyInAnyApex(ctx, depName)
 
@@ -2334,8 +2333,8 @@
 					// If not building for APEX, use stubs only when it is from
 					// an APEX (and not from platform)
 					useThisDep = (depInPlatform != depIsStubs)
-					if c.InRamdisk() || c.InRecovery() || c.bootstrap() {
-						// However, for ramdisk, recovery or bootstrap modules,
+					if c.bootstrap() {
+						// However, for host, ramdisk, recovery or bootstrap modules,
 						// always link to non-stub variant
 						useThisDep = !depIsStubs
 					}