android: set custom browser ptype for browser reports

The custom browser ptype exists to differentiate single process webview
crashes from multi-process webview crashes, but was mistakenly set
for child process crashes instead of browser crashes.

Bug: 936243
Change-Id: I9e37f42323ae39a7a3fa8b81e71331c08aff35bb
Reviewed-on: https://chromium-review.googlesource.com/c/1490891Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Joshua Peraza <jperaza@chromium.org>
Cr-Commit-Position: refs/heads/master@{#635843}

components/crash/content/app/crashpad_linux.cc

@@ -442,6 +442,11 @@ class HandlerStarter {
     }
 
 #if defined(OS_ANDROID)
+    std::string browser_ptype;
+    if (GetCrashReporterClient()->GetBrowserProcessType(&browser_ptype)) {
+      process_annotations["ptype"] = browser_ptype;
+    }
+
     if (!base::PathExists(handler_path)) {
       use_java_handler_ = true;
     }
@@ -487,13 +492,6 @@ class HandlerStarter {
     BuildHandlerArgs(client, &database_path, &metrics_path, &url,
                      &process_annotations, &arguments);
 
-#if defined(OS_ANDROID)
-    std::string browser_ptype;
-    if (GetCrashReporterClient()->GetBrowserProcessType(&browser_ptype)) {
-      process_annotations["ptype"] = browser_ptype;
-    }
-#endif  // defined(OS_ANDROID)
-
     base::FilePath exe_dir;
     base::FilePath handler_path;
     if (!GetHandlerPath(&exe_dir, &handler_path)) {