Add header-abi-linker dependency on so file.

Whenever a symbol file is not available, header-abi-linker can look at
the symbols with STV_DEFAULT or STV_PROTECTED visibility for further abi
filtering.

Bug: 62463617

Bug: 62307940

Test: make -j64

Change-Id: I5dc618be104a49d47375d37cf78c4490b1529987
diff --git a/cc/builder.go b/cc/builder.go
index 61c0572..873b117 100644
--- a/cc/builder.go
+++ b/cc/builder.go
@@ -170,12 +170,12 @@
 
 	sAbiLink = pctx.AndroidStaticRule("sAbiLink",
 		blueprint.RuleParams{
-			Command:        "$sAbiLinker -o ${out} $symbolFile -arch $arch -api $api $exportedHeaderFlags @${out}.rsp ",
+			Command:        "$sAbiLinker -o ${out} $symbolFilter -arch $arch -api $api $exportedHeaderFlags @${out}.rsp ",
 			CommandDeps:    []string{"$sAbiLinker"},
 			Rspfile:        "${out}.rsp",
 			RspfileContent: "${in}",
 		},
-		"symbolFile", "arch", "api", "exportedHeaderFlags")
+		"symbolFilter", "arch", "api", "exportedHeaderFlags")
 
 	_ = pctx.SourcePathVariable("sAbiDiffer", "prebuilts/build-tools/${config.HostPrebuiltTag}/bin/header-abi-diff")
 
@@ -634,14 +634,17 @@
 
 // Generate a rule to combine .dump sAbi dump files from multiple source files
 // into a single .ldump sAbi dump file
-func TransformDumpToLinkedDump(ctx android.ModuleContext, sAbiDumps android.Paths,
+func TransformDumpToLinkedDump(ctx android.ModuleContext, sAbiDumps android.Paths, soFile android.Path,
 	symbolFile android.OptionalPath, apiLevel, baseName, exportedHeaderFlags string) android.OptionalPath {
 	outputFile := android.PathForModuleOut(ctx, baseName+".lsdump")
-	var symbolFileStr string
+	var symbolFilterStr string
 	var linkedDumpDep android.Path
 	if symbolFile.Valid() {
-		symbolFileStr = "-v " + symbolFile.Path().String()
+		symbolFilterStr = "-v " + symbolFile.Path().String()
 		linkedDumpDep = symbolFile.Path()
+	} else {
+		linkedDumpDep = soFile
+		symbolFilterStr = "-so " + soFile.String()
 	}
 	ctx.ModuleBuild(pctx, android.ModuleBuildParams{
 		Rule:        sAbiLink,
@@ -650,9 +653,9 @@
 		Inputs:      sAbiDumps,
 		Implicit:    linkedDumpDep,
 		Args: map[string]string{
-			"symbolFile": symbolFileStr,
-			"arch":       ctx.Arch().ArchType.Name,
-			"api":        apiLevel,
+			"symbolFilter": symbolFilterStr,
+			"arch":         ctx.Arch().ArchType.Name,
+			"api":          apiLevel,
 			"exportedHeaderFlags": exportedHeaderFlags,
 		},
 	})