Restore explicit reachability socket headers

Add back the canonical sys/socket.h and netinet/in.h includes in ODWReachability.m and ODWReachabilityTests.mm while keeping the other dead imports removed. This avoids relying on transitive Apple headers in the reachability PR review.

Co-authored-by: Copilot <[email protected]>

Author: bmehta001

tests/unittests/obj-c/ODWReachabilityTests.mm

@@ -11,6 +11,8 @@
 #import <XCTest/XCTest.h>
 #import "ODWReachability.h"
 
+#import <sys/socket.h>
+#import <netinet/in.h>
 #import <arpa/inet.h>
 
 @interface ODWReachabilityTests : XCTestCase
@@ -104,4 +106,3 @@ - (void)testReachabilityForLocalWiFi
 }
 
 @end
-

third_party/Reachability/ODWReachability.m

@@ -27,6 +27,8 @@ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 
 #import "ODWReachability.h"
 
+#import <sys/socket.h>
+#import <netinet/in.h>
 #import <arpa/inet.h>