Add sanitizer tests for musl

Add tests that verify sanitizer behaviors for musl.

Test: sanitize_test.go
Change-Id: I1f0a51cc103ac14d1738cb223e216ee0e32d8550

android/fixture.go

@@ -16,6 +16,7 @@ package android
 
 import (
 	"fmt"
+	"runtime"
 	"strings"
 	"testing"
 )
@@ -379,6 +380,12 @@ func FixtureModifyProductVariables(mutator func(variables FixtureProductVariable
 	})
 }
 
+var PrepareForSkipTestOnMac = newSimpleFixturePreparer(func(fixture *fixture) {
+	if runtime.GOOS != "linux" {
+		fixture.t.Skip("Test is only supported on linux.")
+	}
+})
+
 // PrepareForDebug_DO_NOT_SUBMIT puts the fixture into debug which will cause it to output its
 // state before running the test.
 //