Improve Zipalign test

Problem: Zipalign test invokes process but not verify.
Solution: Invoke both during test.

Test: Unit Test
Bug: NA
Change-Id: If603df301048f4b508e3429c4a8c77339ab351ae
diff --git a/tools/zipalign/tests/src/align_test.cpp b/tools/zipalign/tests/src/align_test.cpp
index 073a156..1f729c0 100644
--- a/tools/zipalign/tests/src/align_test.cpp
+++ b/tools/zipalign/tests/src/align_test.cpp
@@ -19,6 +19,9 @@
   const std::string src = GetTestPath("unaligned.zip");
   const std::string dst = GetTestPath("unaligned_out.zip");
 
-  int result = process(src.c_str(), dst.c_str(), 4, true, false, 4096);
-  ASSERT_EQ(0, result);
+  int processed = process(src.c_str(), dst.c_str(), 4, true, false, 4096);
+  ASSERT_EQ(0, processed);
+
+  int verified = verify(dst.c_str(), 4, true, false);
+  ASSERT_EQ(0, verified);
 }