Extract failIfErrored() to android/testing.go

Bug: 74506774
Test: lunch aosp_walleye-userdebug && make  # runs unit tests

Merged-In: I1c09412d5988dca2cc1c5f041893b313ab1c163a
Change-Id: I1c09412d5988dca2cc1c5f041893b313ab1c163a

android/namespace_test.go

@@ -628,7 +628,7 @@ func setupTestExpectErrs(bps map[string]string) (ctx *TestContext, errs []error)
 
 func setupTest(t *testing.T, bps map[string]string) (ctx *TestContext) {
 	ctx, errs := setupTestExpectErrs(bps)
-	failIfErrored(t, errs)
+	FailIfErrored(t, errs)
 	return ctx
 }
 
@@ -692,12 +692,3 @@ func newTestModule() Module {
 	InitAndroidModule(m)
 	return m
 }
-
-func failIfErrored(t *testing.T, errs []error) {
-	if len(errs) > 0 {
-		for _, err := range errs {
-			t.Error(err)
-		}
-		t.FailNow()
-	}
-}