Add include directory to -header-filter

* Only add owned header directories.
* Do not add extra quotes around -header-filter argument,
  or the quotes will be part of the regex and fail to
  match header file paths.

Bug: 179530304
Test: make with WITH_TIDY=1
Change-Id: Icea867cb22264fb2dbbff079a1fc914bf48bbdef

fastboot/Android.bp

@@ -243,6 +243,12 @@ cc_library_host_static {
 
     generated_headers: ["platform_tools_version"],
 
+    tidy_flags: [
+        // DO NOT add quotes around header-filter flag regex argument,
+        // because build/soong will add quotes around the whole flag.
+        "-header-filter=(system/core/fastboot/|development/host/windows/usb/api/)",
+    ],
+
     target: {
         windows: {
             srcs: ["usb_windows.cpp"],