Trivial refactor for consistent naming.

This gives all our various new performance-related checkers a
consistent "EfficientFooChecker" naming style.

Bug: 155703208
Test: atest error_prone_android_framework_test
Change-Id: I8809fe46d20357201c8559037b468d717319afb9

errorprone/java/com/google/errorprone/bugpatterns/android/EfficientParcelableChecker.java

@@ -43,10 +43,10 @@ import com.sun.source.tree.Tree;
  */
 @AutoService(BugChecker.class)
 @BugPattern(
-    name = "AndroidFrameworkParcelablePerformance",
+    name = "AndroidFrameworkEfficientParcelable",
     summary = "Verifies Parcelable performance best-practices",
     severity = WARNING)
-public final class ParcelablePerformanceChecker extends BugChecker
+public final class EfficientParcelableChecker extends BugChecker
         implements MethodInvocationTreeMatcher {
     private static final Matcher<Tree> INSIDE_WRITE_TO_PARCEL = allOf(
             enclosingClass(isSubtypeOf("android.os.Parcelable")),

errorprone/tests/java/com/google/errorprone/bugpatterns/android/EfficientParcelableCheckerTest.java

@@ -24,13 +24,13 @@ import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
 @RunWith(JUnit4.class)
-public class ParcelablePerformanceCheckerTest {
+public class EfficientParcelableCheckerTest {
     private CompilationTestHelper compilationHelper;
 
     @Before
     public void setUp() {
         compilationHelper = CompilationTestHelper.newInstance(
-                ParcelablePerformanceChecker.class, getClass());
+                EfficientParcelableChecker.class, getClass());
     }
 
     @Test