Include kernel and dtb.img information in SBOM built in soong-only

Bug: 401366170
Bug: 401366536
Test: presubmits
Change-Id: I4a3e6834b02b6bbe2d83d90e5f0c7cc0bc2582f5
diff --git a/filesystem/android_device.go b/filesystem/android_device.go
index a616ee0..931adfd 100644
--- a/filesystem/android_device.go
+++ b/filesystem/android_device.go
@@ -294,18 +294,26 @@
 }
 
 func buildComplianceMetadata(ctx android.ModuleContext, tags ...blueprint.DependencyTag) {
+	// Collect metadata from deps
 	filesContained := make([]string, 0)
+	prebuiltFilesCopied := make([]string, 0)
 	for _, tag := range tags {
 		ctx.VisitDirectDepsProxyWithTag(tag, func(m android.ModuleProxy) {
 			if complianceMetadataInfo, ok := android.OtherModuleProvider(ctx, m, android.ComplianceMetadataProvider); ok {
 				filesContained = append(filesContained, complianceMetadataInfo.GetFilesContained()...)
+				prebuiltFilesCopied = append(prebuiltFilesCopied, complianceMetadataInfo.GetPrebuiltFilesCopied()...)
 			}
 		})
 	}
-	sort.Strings(filesContained)
-
+	// Merge to module's ComplianceMetadataInfo
 	complianceMetadataInfo := ctx.ComplianceMetadataInfo()
+	filesContained = append(filesContained, complianceMetadataInfo.GetFilesContained()...)
+	sort.Strings(filesContained)
 	complianceMetadataInfo.SetFilesContained(filesContained)
+
+	prebuiltFilesCopied = append(prebuiltFilesCopied, complianceMetadataInfo.GetPrebuiltFilesCopied()...)
+	sort.Strings(prebuiltFilesCopied)
+	complianceMetadataInfo.SetPrebuiltFilesCopied(prebuiltFilesCopied)
 }
 
 // Returns a list of modules that are installed, which are collected from the dependency
diff --git a/filesystem/bootimg.go b/filesystem/bootimg.go
index 2bf0d59..c06c200 100644
--- a/filesystem/bootimg.go
+++ b/filesystem/bootimg.go
@@ -201,7 +201,8 @@
 		return
 	}
 
-	unsignedOutput := b.buildBootImage(ctx, b.getKernelPath(ctx))
+	kernelPath := b.getKernelPath(ctx)
+	unsignedOutput := b.buildBootImage(ctx, kernelPath)
 
 	output := unsignedOutput
 	if proptools.Bool(b.properties.Use_avb) {
@@ -212,7 +213,7 @@
 		case "default":
 			output = b.signImage(ctx, unsignedOutput)
 		case "make_legacy":
-			output = b.addAvbFooter(ctx, unsignedOutput, b.getKernelPath(ctx))
+			output = b.addAvbFooter(ctx, unsignedOutput, kernelPath)
 		default:
 			ctx.PropertyErrorf("avb_mode", `Unknown value for avb_mode, expected "default" or "make_legacy", got: %q`, *b.properties.Avb_mode)
 		}
@@ -235,10 +236,11 @@
 	}
 
 	// Set BootimgInfo for building target_files.zip
+	dtbPath := b.getDtbPath(ctx)
 	android.SetProvider(ctx, BootimgInfoProvider, BootimgInfo{
 		Cmdline:    b.properties.Cmdline,
-		Kernel:     b.getKernelPath(ctx),
-		Dtb:        b.getDtbPath(ctx),
+		Kernel:     kernelPath,
+		Dtb:        dtbPath,
 		Bootconfig: b.getBootconfigPath(ctx),
 		Output:     output,
 	})
@@ -265,6 +267,16 @@
 	})
 
 	// Dump compliance metadata
+	complianceMetadataInfo := ctx.ComplianceMetadataInfo()
+	prebuiltFilesCopied := make([]string, 0)
+	if kernelPath != nil {
+		prebuiltFilesCopied = append(prebuiltFilesCopied, kernelPath.String()+":kernel")
+	}
+	if dtbPath != nil {
+		prebuiltFilesCopied = append(prebuiltFilesCopied, dtbPath.String()+":dtb.img")
+	}
+	complianceMetadataInfo.SetPrebuiltFilesCopied(prebuiltFilesCopied)
+
 	if ramdisk := proptools.String(b.properties.Ramdisk_module); ramdisk != "" {
 		buildComplianceMetadata(ctx, bootimgRamdiskDep)
 	}