[Cronet] Enable reporting feature on Android.

Bug: 828899
Cq-Include-Trybots: master.tryserver.chromium.android:android_cronet_tester;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I14000553e3164529bcf11d7aadf38ceb8f76c01e
Reviewed-on: https://chromium-review.googlesource.com/995636Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Julia Tuttle <juliatuttle@chromium.org>
Reviewed-by: Paul Jensen <pauljensen@chromium.org>
Commit-Queue: Misha Efimov <mef@chromium.org>
Cr-Commit-Position: refs/heads/master@{#548347}

components/cronet/tools/cr_cronet.py

@@ -92,12 +92,12 @@ def main():
   print options
   print extra_options_list
 
-  is_os = (sys.platform == 'darwin')
-  if is_os:
+  is_ios = (sys.platform == 'darwin')
+  if is_ios:
     target_os = 'ios'
     test_target = 'cronet_test'
     unit_target = 'cronet_unittests_ios'
-    gn_args = 'is_cronet_build=true is_component_build=false ' \
+    gn_args = 'is_cronet_build=true enable_reporting=false ' \
         'use_xcode_clang=true ios_deployment_target="9.0" '
     gn_extra = '--ide=xcode'
     if options.iphoneos:
@@ -113,7 +113,7 @@ def main():
     target_os = 'android'
     test_target = 'cronet_test_instrumentation_apk'
     unit_target = 'cronet_unittests_android'
-    gn_args = 'use_errorprone_java_compiler=true '
+    gn_args = 'use_errorprone_java_compiler=true enable_reporting=true '
     gn_extra = ''
     out_dir_suffix = ''
     if options.x86:
@@ -131,7 +131,6 @@ def main():
       'disable_file_support=true disable_ftp_support=true '+ \
       'disable_brotli_filter=false ' + \
       'use_platform_icu_alternatives=true '+ \
-      'enable_reporting=false '+ \
       'is_component_build=false ' + \
       'use_crash_key_stubs=true ' + \
       'ignore_elf32_limitations=true use_partition_alloc=false ' + \
@@ -156,7 +155,7 @@ def main():
     return run ('git pull --rebase && gclient sync')
   if (options.command=='build'):
     return build(out_dir, test_target, extra_options)
-  if (not is_os):
+  if (not is_ios):
     if (options.command=='install'):
       return install(out_dir)
     if (options.command=='proguard'):

tools/mb/mb_config.pyl

@@ -1829,7 +1829,7 @@
     'cronet': {
       'gn_args': ('disable_file_support=true disable_ftp_support=true '
                   'enable_websockets=false use_platform_icu_alternatives=true '
-                  'use_partition_alloc=false enable_reporting=false '
+                  'use_partition_alloc=false enable_reporting=true '
                   'include_transport_security_state_preload_list=false '
                   'use_crash_key_stubs=true '
                   'clang_use_default_sample_profile=false'),