Enable breakpad building by default on Android.

chrome/app/breakpad_linux.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_APP_BREAKPAD_LINUX_H_
 #define CHROME_APP_BREAKPAD_LINUX_H_
 
 #include <sys/types.h>
 
 #include "base/basictypes.h"
 
 extern void InitCrashReporter();
 #if defined(OS_ANDROID)
-extern void InitNonBrowserCrashReporterForAndroid(int minidump_fd);
+extern void InitNonBrowserCrashReporterForAndroid();
 #endif
 bool IsCrashReporterEnabled();
 
 static const size_t kMaxActiveURLSize = 1024;
 static const size_t kGuidSize = 32;  // 128 bits = 32 chars in hex.
 static const size_t kDistroSize = 128;
 #if defined(ADDRESS_SANITIZER)
 static const size_t kMaxAsanReportSize = 1 << 16;
 #endif
 // Define a preferred limit on minidump sizes, because Crash Server currently
@@ skipping 22 matching lines @@
   unsigned distro_length;          // Length of |distro|.
   bool upload;                     // Whether to upload or save crash dump.
   uint64_t process_start_time;     // Uptime of the crashing process.
   size_t oom_size;                 // Amount of memory requested if OOM.
   uint64_t pid;                    // PID where applicable.
 };
 
 extern void HandleCrashDump(const BreakpadInfo& info);
 
 #endif  // CHROME_APP_BREAKPAD_LINUX_H_