diff --git a/sdk/cc_sdk_test.go b/sdk/cc_sdk_test.go
index c214e75..e0cba09 100644
--- a/sdk/cc_sdk_test.go
+++ b/sdk/cc_sdk_test.go
@@ -40,6 +40,7 @@
 // Contains tests for SDK members provided by the cc package.
 
 func TestSingleDeviceOsAssumption(t *testing.T) {
+	t.Parallel()
 	// Mock a module with DeviceSupported() == true.
 	s := &sdk{}
 	android.InitAndroidArchModule(s, android.DeviceSupported, android.MultilibCommon)
@@ -54,6 +55,7 @@
 }
 
 func TestSdkIsCompileMultilibBoth(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -84,6 +86,7 @@
 }
 
 func TestSdkCompileMultilibOverride(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -175,6 +178,7 @@
 }
 
 func TestBasicSdkWithCc(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -281,6 +285,7 @@
 
 // Make sure the sdk can use host specific cc libraries static/shared and both.
 func TestHostSdkWithCc(t *testing.T) {
+	t.Parallel()
 	testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -304,6 +309,7 @@
 
 // Make sure the sdk can use cc libraries static/shared and both.
 func TestSdkWithCc(t *testing.T) {
+	t.Parallel()
 	testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -334,6 +340,7 @@
 }
 
 func TestSnapshotWithObject(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -405,6 +412,7 @@
 }
 
 func TestSnapshotWithCcDuplicateHeaders(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -446,6 +454,7 @@
 // handling is tested with the sanitize clauses (but note there's a lot of
 // built-in logic in sanitize.go that can affect those flags).
 func TestSnapshotWithCcSharedLibraryCommonProperties(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -559,6 +568,7 @@
 }
 
 func TestSnapshotWithCcBinary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "mymodule_exports",
@@ -623,6 +633,7 @@
 }
 
 func TestMultipleHostOsTypesSnapshotWithCcBinary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "myexports",
@@ -749,6 +760,7 @@
 }
 
 func TestSnapshotWithSingleHostOsType(t *testing.T) {
+	t.Parallel()
 	ctx, config := testSdkContext(`
 		cc_defaults {
 			name: "mydefaults",
@@ -912,6 +924,7 @@
 // Test that we support the necessary flags for the linker binary, which is
 // special in several ways.
 func TestSnapshotWithCcStaticNocrtBinary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "mymodule_exports",
@@ -1014,6 +1027,7 @@
 }
 
 func TestSnapshotWithCcSharedLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -1107,6 +1121,7 @@
 }
 
 func TestSnapshotWithCcSharedLibrarySharedLibs(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -1301,6 +1316,7 @@
 }
 
 func TestHostSnapshotWithCcSharedLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -1418,6 +1434,7 @@
 }
 
 func TestMultipleHostOsTypesSnapshotWithCcSharedLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -1543,6 +1560,7 @@
 }
 
 func TestSnapshotWithCcStaticLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "myexports",
@@ -1627,6 +1645,7 @@
 }
 
 func TestHostSnapshotWithCcStaticLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "myexports",
@@ -1741,6 +1760,7 @@
 }
 
 func TestSnapshotWithCcLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "myexports",
@@ -1838,6 +1858,7 @@
 }
 
 func TestHostSnapshotWithMultiLib64(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "myexports",
@@ -1945,6 +1966,7 @@
 }
 
 func TestSnapshotWithCcHeadersLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -1993,6 +2015,7 @@
 }
 
 func TestHostSnapshotWithCcHeadersLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -2075,6 +2098,7 @@
 }
 
 func TestDeviceAndHostSnapshotWithCcHeadersLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -2170,6 +2194,7 @@
 }
 
 func TestSystemSharedLibPropagation(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -2407,6 +2432,7 @@
 }
 
 func TestStubsLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -2485,6 +2511,7 @@
 }
 
 func TestDeviceAndHostSnapshotWithStubsLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -2601,6 +2628,7 @@
 }
 
 func TestUniqueHostSoname(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",