update:2021.03.19

fix:重新提交
add:

robolectric_tests/src/com/android/launcher3/config/FlagOverrideSampleTest.java

@@ -0,0 +1,36 @@
+package com.android.uiuios.config;
+
+import com.android.uiuios.config.FlagOverrideRule.FlagOverride;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Sample Robolectric test that demonstrates flag-overriding.
+ */
+@RunWith(RobolectricTestRunner.class)
+public class FlagOverrideSampleTest {
+
+    // Check out https://junit.org/junit4/javadoc/4.12/org/junit/Rule.html for more information
+    // on @Rules.
+    @Rule
+    public final FlagOverrideRule flags = new FlagOverrideRule();
+
+    @FlagOverride(key = "EXAMPLE_FLAG", value = true)
+    @Test
+    public void withFlagOn() {
+        assertTrue(FeatureFlags.EXAMPLE_FLAG.get());
+    }
+
+
+    @FlagOverride(key = "EXAMPLE_FLAG", value = false)
+    @Test
+    public void withFlagOff() {
+        assertFalse(FeatureFlags.EXAMPLE_FLAG.get());
+    }
+}