Revert "Use cp instead of install for ndk_headers"

This reverts commit 1202729cb2.

Reason for revert: Breaks aosp-main/ndk builds

Change-Id: I453792f7f974dc336d5f6775adfc5899b8d34d7b

cc/ndk_headers.go

@@ -15,6 +15,7 @@
 package cc
 
 import (
+	"fmt"
 	"path/filepath"
 
 	"android/soong/android"
@@ -44,7 +45,7 @@ func init() {
 }
 
 // Returns the NDK base include path for use with sdk_version current. Usable with -I.
-func getCurrentIncludePath(ctx android.ModuleContext) android.OutputPath {
+func getCurrentIncludePath(ctx android.ModuleContext) android.InstallPath {
 	return getNdkSysrootBase(ctx).Join(ctx, "usr/include")
 }
 
@@ -86,7 +87,7 @@ type headerModule struct {
 }
 
 func getHeaderInstallDir(ctx android.ModuleContext, header android.Path, from string,
-	to string) android.OutputPath {
+	to string) android.InstallPath {
 	// Output path is the sysroot base + "usr/include" + to directory + directory component
 	// of the file without the leading from directory stripped.
 	//
@@ -128,12 +129,13 @@ func (m *headerModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	for _, header := range m.srcPaths {
 		installDir := getHeaderInstallDir(ctx, header, String(m.properties.From),
 			String(m.properties.To))
+		installedPath := ctx.InstallFile(installDir, header.Base(), header)
 		installPath := installDir.Join(ctx, header.Base())
-		ctx.Build(pctx, android.BuildParams{
-			Rule:   android.Cp,
-			Input:  header,
-			Output: installPath,
-		})
+		if installPath != installedPath {
+			panic(fmt.Sprintf(
+				"expected header install path (%q) not equal to actual install path %q",
+				installPath, installedPath))
+		}
 		m.installPaths = append(m.installPaths, installPath)
 	}