Adjust sharding of content_browsertests for Lollipop Phone Tester

This moves 3 shards from content_browsertests to
network_service_out_of_process_content_browsertests which hopefully can
mitigate the timeout issue for the latter test suite

Bug: 1119314
Change-Id: Ia2d2ea767840ce9effa941886c55882b5a371b2b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2411473
Auto-Submit: Haiyang Pan <[email protected]>
Reviewed-by: benjamin joyce <[email protected]>
Commit-Queue: benjamin joyce <[email protected]>
Cr-Commit-Position: refs/heads/master@{#807275}
diff --git a/testing/buildbot/test_suite_exceptions.pyl b/testing/buildbot/test_suite_exceptions.pyl
index f1bfc306..069cc1e 100644
--- a/testing/buildbot/test_suite_exceptions.pyl
+++ b/testing/buildbot/test_suite_exceptions.pyl
@@ -913,7 +913,7 @@
       },
       'Lollipop Phone Tester': {
         'swarming': {
-          'shards': 13,
+          'shards': 10,
         },
       },
       'Win10 Tests x64': {
@@ -2004,6 +2004,11 @@
       'android-marshmallow-x86-rel', # crbug.com/1098111
     ],
     'modifications': {
+      'Lollipop Phone Tester': {
+        'swarming': {
+          'shards': 8,
+        },
+      },
       'android-marshmallow-x86-rel-non-cq': {
         'args': [
           '--test-launcher-filter-file=../../testing/buildbot/filters/android.emulator_m.content_browsertests.filter',