Use case-sensitive regular expressions in --no-compress-regex

On some windows versions (plus wine) std::regex has issues with the
icase flag (making regex case insensitive). Put the responsibility of
the case sensitivity on the caller.

Fixes: 127793905
Test: wine aapt2_tests.exe -> Util_test
Change-Id: I6775514d3ef43c2c47465bf39ceaf2c195909724
diff --git a/tools/aapt2/cmd/Link.h b/tools/aapt2/cmd/Link.h
index 56bff8f..aea2432 100644
--- a/tools/aapt2/cmd/Link.h
+++ b/tools/aapt2/cmd/Link.h
@@ -264,8 +264,8 @@
         &options_.keep_raw_values);
     AddOptionalFlag("--no-compress-regex",
         "Do not compress extensions matching the regular expression. Remember to\n"
-            " use the '$' symbol for end of line. Uses a non case-sensitive\n"
-            " ECMAScript regular expression grammar.",
+            "use the '$' symbol for end of line. Uses a case-sensitive ECMAScript"
+            "regular expression grammar.",
         &no_compress_regex);
     AddOptionalSwitch("--warn-manifest-validation",
         "Treat manifest validation errors as warnings.",