Fix bugs from cc_api_library build

There are some bugs found while building cc_api_library with original
library definition. This change fixes some bugs from cc_api_library.

* Generate MK information for cc_api_library.
* Mark cc_api_library as no CRT required.

Bug: 236087698
Test: ALLOW_MISSING_DEPENDENCIES=true m -j vendorimage succeeded
Change-Id: Ib411888fae41317c01378362cd5bdc87c2b588c5

cc/androidmk.go

@@ -23,6 +23,7 @@ import (
 	"strings"
 
 	"android/soong/android"
+	"android/soong/multitree"
 )
 
 var (
@@ -625,6 +626,24 @@ func (p *prebuiltBinaryLinker) AndroidMkEntries(ctx AndroidMkContext, entries *a
 	androidMkWriteAllowUndefinedSymbols(p.baseLinker, entries)
 }
 
+func (a *apiLibraryDecorator) AndroidMkEntries(ctx AndroidMkContext, entries *android.AndroidMkEntries) {
+	entries.Class = "SHARED_LIBRARIES"
+	entries.SubName += multitree.GetApiImportSuffix()
+
+	entries.ExtraEntries = append(entries.ExtraEntries, func(_ android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
+		a.libraryDecorator.androidMkWriteExportedFlags(entries)
+		src := *a.properties.Src
+		path, file := filepath.Split(src)
+		stem, suffix, ext := android.SplitFileExt(file)
+		entries.SetString("LOCAL_BUILT_MODULE_STEM", "$(LOCAL_MODULE)"+ext)
+		entries.SetString("LOCAL_MODULE_SUFFIX", suffix)
+		entries.SetString("LOCAL_MODULE_STEM", stem)
+		entries.SetString("LOCAL_MODULE_PATH", path)
+		entries.SetBool("LOCAL_UNINSTALLABLE_MODULE", true)
+		entries.SetString("LOCAL_SOONG_TOC", a.toc().String())
+	})
+}
+
 func androidMkWriteAllowUndefinedSymbols(linker *baseLinker, entries *android.AndroidMkEntries) {
 	allow := linker.Properties.Allow_undefined_symbols
 	if allow != nil {

cc/library_stub.go

@@ -68,6 +68,9 @@ func CcApiLibraryFactory() android.Module {
 		apiLibraryDecorator.baseLinker.Properties.System_shared_libs = []string{}
 	}
 
+	apiLibraryDecorator.baseLinker.Properties.No_libcrt = BoolPtr(true)
+	apiLibraryDecorator.baseLinker.Properties.Nocrt = BoolPtr(true)
+
 	module.Init()
 
 	return module