AAPT2: Clean up tests a bit

Since the latest gtest has fixed support for
explicit bool operators, remvoe AAPT_ASSERT_* and AAPT_EXPECT_*.

Also switch to use NotNull() matchers, which are more legible.

Test: make aapt2_tests
Change-Id: Idce199ca9d567d70f7aae275fee15e04bb914c9e
diff --git a/tools/aapt2/util/Util_test.cpp b/tools/aapt2/util/Util_test.cpp
index e49aee5..a09001a 100644
--- a/tools/aapt2/util/Util_test.cpp
+++ b/tools/aapt2/util/Util_test.cpp
@@ -147,54 +147,48 @@
 
 TEST(UtilTest, FullyQualifiedClassName) {
   Maybe<std::string> res = util::GetFullyQualifiedClassName("android", ".asdf");
-  AAPT_ASSERT_TRUE(res);
+  ASSERT_TRUE(res);
   EXPECT_EQ(res.value(), "android.asdf");
 
   res = util::GetFullyQualifiedClassName("android", ".a.b");
-  AAPT_ASSERT_TRUE(res);
+  ASSERT_TRUE(res);
   EXPECT_EQ(res.value(), "android.a.b");
 
   res = util::GetFullyQualifiedClassName("android", "a.b");
-  AAPT_ASSERT_TRUE(res);
+  ASSERT_TRUE(res);
   EXPECT_EQ(res.value(), "a.b");
 
   res = util::GetFullyQualifiedClassName("", "a.b");
-  AAPT_ASSERT_TRUE(res);
+  ASSERT_TRUE(res);
   EXPECT_EQ(res.value(), "a.b");
 
   res = util::GetFullyQualifiedClassName("android", "Class");
-  AAPT_ASSERT_TRUE(res);
+  ASSERT_TRUE(res);
   EXPECT_EQ(res.value(), "android.Class");
 
   res = util::GetFullyQualifiedClassName("", "");
-  AAPT_ASSERT_FALSE(res);
+  ASSERT_FALSE(res);
 
   res = util::GetFullyQualifiedClassName("android", "./Apple");
-  AAPT_ASSERT_FALSE(res);
+  ASSERT_FALSE(res);
 }
 
 TEST(UtilTest, ExtractResourcePathComponents) {
   StringPiece prefix, entry, suffix;
-  ASSERT_TRUE(util::ExtractResFilePathParts("res/xml-sw600dp/entry.xml",
-                                            &prefix, &entry, &suffix));
+  ASSERT_TRUE(util::ExtractResFilePathParts("res/xml-sw600dp/entry.xml", &prefix, &entry, &suffix));
   EXPECT_EQ(prefix, "res/xml-sw600dp/");
   EXPECT_EQ(entry, "entry");
   EXPECT_EQ(suffix, ".xml");
 
-  ASSERT_TRUE(util::ExtractResFilePathParts("res/xml-sw600dp/entry.9.png",
-                                            &prefix, &entry, &suffix));
-
+  ASSERT_TRUE(util::ExtractResFilePathParts("res/xml-sw600dp/entry.9.png", &prefix, &entry, &suffix));
   EXPECT_EQ(prefix, "res/xml-sw600dp/");
   EXPECT_EQ(entry, "entry");
   EXPECT_EQ(suffix, ".9.png");
 
-  EXPECT_FALSE(util::ExtractResFilePathParts("AndroidManifest.xml", &prefix,
-                                             &entry, &suffix));
-  EXPECT_FALSE(
-      util::ExtractResFilePathParts("res/.xml", &prefix, &entry, &suffix));
+  EXPECT_FALSE(util::ExtractResFilePathParts("AndroidManifest.xml", &prefix, &entry, &suffix));
+  EXPECT_FALSE(util::ExtractResFilePathParts("res/.xml", &prefix, &entry, &suffix));
 
-  ASSERT_TRUE(
-      util::ExtractResFilePathParts("res//.", &prefix, &entry, &suffix));
+  ASSERT_TRUE(util::ExtractResFilePathParts("res//.", &prefix, &entry, &suffix));
   EXPECT_EQ(prefix, "res//");
   EXPECT_EQ(entry, "");
   EXPECT_EQ(suffix, ".");