Fix failing Windows tests

Some tests were not written to run on Windows correctly. Compile also
has a bug that caused using the --zip flag to fail on Windows.
iswspace does count the non breaking space as Whiespace on Windows but
not on Unix based systems

Bug: 117156986
Change-Id: I999375162bdfdf86fb25992ee88e2962ab90b577
Test: aapt2_tests and wine aapt2_tests.exe
diff --git a/tools/aapt2/ResourceUtils.cpp b/tools/aapt2/ResourceUtils.cpp
index c48765b..de00fca 100644
--- a/tools/aapt2/ResourceUtils.cpp
+++ b/tools/aapt2/ResourceUtils.cpp
@@ -38,6 +38,8 @@
 namespace aapt {
 namespace ResourceUtils {
 
+constexpr int32_t kNonBreakingSpace = 0xa0;
+
 Maybe<ResourceName> ToResourceName(
     const android::ResTable::resource_name& name_in) {
   ResourceName name_out;
@@ -810,7 +812,7 @@
   Utf8Iterator iter(text);
   while (iter.HasNext()) {
     char32_t codepoint = iter.Next();
-    if (!preserve_spaces && !quote_ && iswspace(codepoint)) {
+    if (!preserve_spaces && !quote_ && codepoint != kNonBreakingSpace && iswspace(codepoint)) {
       if (!last_codepoint_was_space_) {
         // Emit a space if it's the first.
         xml_string_.text += ' ';