diff --git a/android/apex.go b/android/apex.go
index 5c3256a..205ec95 100644
--- a/android/apex.go
+++ b/android/apex.go
@@ -21,13 +21,14 @@
 	"sync"
 )
 
+const (
+	SdkVersion_Android10 = 29
+)
+
 type ApexInfo struct {
 	// Name of the apex variant that this module is mutated into
 	ApexName string
 
-	// Whether this apex variant needs to target Android 10
-	LegacyAndroid10Support bool
-
 	MinSdkVersion int
 }
 
@@ -203,7 +204,7 @@
 }
 
 func (m *ApexModuleBase) ShouldSupportAndroid10() bool {
-	return !m.IsForPlatform() && (m.ApexProperties.Info.MinSdkVersion <= 29 || m.ApexProperties.Info.LegacyAndroid10Support)
+	return !m.IsForPlatform() && (m.ApexProperties.Info.MinSdkVersion <= SdkVersion_Android10)
 }
 
 func (m *ApexModuleBase) checkApexAvailableProperty(mctx BaseModuleContext) {
diff --git a/apex/apex.go b/apex/apex.go
index 987a118..b833634 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -1043,11 +1043,9 @@
 	var apexBundles []android.ApexInfo
 	var directDep bool
 	if a, ok := mctx.Module().(*apexBundle); ok && !a.vndkApex {
-		minSdkVersion := a.minSdkVersion(mctx)
 		apexBundles = []android.ApexInfo{android.ApexInfo{
-			ApexName:               mctx.ModuleName(),
-			LegacyAndroid10Support: proptools.Bool(a.properties.Legacy_android10_support),
-			MinSdkVersion:          minSdkVersion,
+			ApexName:      mctx.ModuleName(),
+			MinSdkVersion: a.minSdkVersion(mctx),
 		}}
 		directDep = true
 	} else if am, ok := mctx.Module().(android.ApexModule); ok {
@@ -1295,10 +1293,6 @@
 	// Should be only used in tests#.
 	Test_only_no_hashtree *bool
 
-	// Whether this APEX should support Android10. Default is false. If this is set true, then apex_manifest.json is bundled as well
-	// because Android10 requires legacy apex_manifest.json instead of apex_manifest.pb
-	Legacy_android10_support *bool
-
 	IsCoverageVariant bool `blueprint:"mutated"`
 
 	// Whether this APEX is considered updatable or not. When set to true, this will enforce additional
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 77d3bee..e92c278 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -1856,13 +1856,17 @@
 	var surplus []string
 	filesMatched := make(map[string]bool)
 	for _, file := range getFiles(t, ctx, moduleName, variant) {
+		mactchFound := false
 		for _, expected := range files {
 			if matched, _ := path.Match(expected, file.path); matched {
 				filesMatched[expected] = true
-				return
+				mactchFound = true
+				break
 			}
 		}
-		surplus = append(surplus, file.path)
+		if !mactchFound {
+			surplus = append(surplus, file.path)
+		}
 	}
 
 	if len(surplus) > 0 {
@@ -1929,8 +1933,10 @@
 	ensureExactContents(t, ctx, "myapex", "android_common_image", []string{
 		"lib/libvndk.so",
 		"lib/libvndksp.so",
+		"lib/libc++.so",
 		"lib64/libvndk.so",
 		"lib64/libvndksp.so",
+		"lib64/libc++.so",
 		"etc/llndk.libraries.VER.txt",
 		"etc/vndkcore.libraries.VER.txt",
 		"etc/vndksp.libraries.VER.txt",
@@ -1990,6 +1996,8 @@
 		"lib/libvndk.so",
 		"lib/libvndk.arm.so",
 		"lib64/libvndk.so",
+		"lib/libc++.so",
+		"lib64/libc++.so",
 		"etc/*",
 	})
 }
@@ -2201,6 +2209,8 @@
 	ensureExactContents(t, ctx, "myapex", "android_common_image", []string{
 		"lib/libvndk.so",
 		"lib64/libvndk.so",
+		"lib/libc++.so",
+		"lib64/libc++.so",
 		"etc/*",
 	})
 }
@@ -3648,7 +3658,7 @@
 			name: "myapex",
 			key: "myapex.key",
 			native_shared_libs: ["mylib"],
-			legacy_android10_support: true,
+			min_sdk_version: "29",
 		}
 
 		apex_key {
diff --git a/apex/builder.go b/apex/builder.go
index 5f4bcd2..54557bb 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -20,6 +20,7 @@
 	"path/filepath"
 	"runtime"
 	"sort"
+	"strconv"
 	"strings"
 
 	"android/soong/android"
@@ -195,7 +196,7 @@
 		},
 	})
 
-	if proptools.Bool(a.properties.Legacy_android10_support) {
+	if a.minSdkVersion(ctx) == android.SdkVersion_Android10 {
 		// b/143654022 Q apexd can't understand newly added keys in apex_manifest.json
 		// prepare stripped-down version so that APEX modules built from R+ can be installed to Q
 		a.manifestJsonOut = android.PathForModuleOut(ctx, "apex_manifest.json")
@@ -344,7 +345,7 @@
 	var emitCommands []string
 	imageContentFile := android.PathForModuleOut(ctx, "content.txt")
 	emitCommands = append(emitCommands, "echo ./apex_manifest.pb >> "+imageContentFile.String())
-	if proptools.Bool(a.properties.Legacy_android10_support) {
+	if a.minSdkVersion(ctx) == android.SdkVersion_Android10 {
 		emitCommands = append(emitCommands, "echo ./apex_manifest.json >> "+imageContentFile.String())
 	}
 	for _, fi := range a.filesInfo {
@@ -443,10 +444,9 @@
 		targetSdkVersion := ctx.Config().DefaultAppTargetSdk()
 		minSdkVersion := ctx.Config().DefaultAppTargetSdk()
 
-		// TODO: this should be based on min_sdk_version property of an APEX.
-		if proptools.Bool(a.properties.Legacy_android10_support) {
-			targetSdkVersion = "29"
-			minSdkVersion = "29"
+		if a.minSdkVersion(ctx) == android.SdkVersion_Android10 {
+			minSdkVersion = strconv.Itoa(a.minSdkVersion(ctx))
+			targetSdkVersion = strconv.Itoa(a.minSdkVersion(ctx))
 		}
 
 		if java.UseApiFingerprint(ctx) {
@@ -475,7 +475,7 @@
 			ctx.PropertyErrorf("test_only_no_hashtree", "not available")
 			return
 		}
-		if !proptools.Bool(a.properties.Legacy_android10_support) || a.testOnlyShouldSkipHashtreeGeneration() {
+		if a.minSdkVersion(ctx) > android.SdkVersion_Android10 || a.testOnlyShouldSkipHashtreeGeneration() {
 			// Apexes which are supposed to be installed in builtin dirs(/system, etc)
 			// don't need hashtree for activation. Therefore, by removing hashtree from
 			// apex bundle (filesystem image in it, to be specific), we can save storage.
@@ -488,7 +488,7 @@
 			optFlags = append(optFlags, "--do_not_check_keyname")
 		}
 
-		if proptools.Bool(a.properties.Legacy_android10_support) {
+		if a.minSdkVersion(ctx) == android.SdkVersion_Android10 {
 			implicitInputs = append(implicitInputs, a.manifestJsonOut)
 			optFlags = append(optFlags, "--manifest_json "+a.manifestJsonOut.String())
 		}