Move StringPiece to libandroidfw
libandroidfw needs to make use of StringPiece, so
move it to libandroidfw and update all code referencing
StringPiece in aapt2.
Test: make libandroidfw_tests libaapt2_tests
Change-Id: I68d7f0fc7c651b048d9d1f5e7971f10ef5349fa1
diff --git a/tools/aapt2/util/Util_test.cpp b/tools/aapt2/util/Util_test.cpp
index cac3de4..e49aee5 100644
--- a/tools/aapt2/util/Util_test.cpp
+++ b/tools/aapt2/util/Util_test.cpp
@@ -20,6 +20,8 @@
#include "test/Test.h"
+using android::StringPiece;
+
namespace aapt {
TEST(UtilTest, TrimOnlyWhitespace) {