Enable breakpad building by default on Android.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 9bc5ccfa1369ad694e9d49e7bc84770e8818a4a0..10f901c87a29fec455f4e88cba5c705624c8a5d4 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1550,7 +1550,8 @@ const char kOobeSkipPostLogin[]             = "oobe-skip-postlogin";
 // A flag, generated internally by Chrome for renderer and other helper process
 // command lines on Linux and Mac. It tells the helper process to enable crash
 // dumping and reporting, because helpers cannot access the profile or other
-// files needed to make this decision.
+// files needed to make this decision. It's also used on Android to force crash
+// reporting to be on (for debug builds/testing).
 const char kEnableCrashReporter[]           = "enable-crash-reporter";
 
 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)