bp2build: convert host & prebuilt header libraries

Test: bp2build.sh
Change-Id: If8165eac7c17c4eef3686067257aa792121db59d

cc/cc.go

@@ -3476,9 +3476,7 @@ func (c *Module) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
 				libraryBp2Build(ctx, c)
 			}
 		} else if !static && !shared {
-			if !prebuilt {
-				libraryHeadersBp2Build(ctx, c)
-			}
+			libraryHeadersBp2Build(ctx, c)
 		} else if static {
 			if prebuilt {
 				prebuiltLibraryStaticBp2Build(ctx, c)

cc/library.go

@@ -443,6 +443,8 @@ func LibraryHostStaticFactory() android.Module {
 	module, library := NewLibrary(android.HostSupported)
 	library.BuildOnlyStatic()
 	module.sdkMemberTypes = []android.SdkMemberType{staticLibrarySdkMemberType}
+	module.bazelable = true
+	module.bazelHandler = &ccLibraryBazelHandler{module: module}
 	return module.Init()
 }
 

cc/library_headers.go

@@ -104,6 +104,8 @@ func LibraryHeaderFactory() android.Module {
 func prebuiltLibraryHeaderFactory() android.Module {
 	module, library := NewPrebuiltLibrary(android.HostAndDeviceSupported, "")
 	library.HeaderOnly()
+	module.bazelable = true
+	module.bazelHandler = &ccLibraryBazelHandler{module: module}
 	return module.Init()
 }