[nobuildbot] Migrate all Linux GCE bots

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4994

Change-Id: Ib63f36b3803117d5357c8e70c572653afd151abe
Reviewed-on: https://skia-review.googlesource.com/4994
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
Reviewed-by: Ravi Mistry <rmistry@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 281ca5a..4dc21c9 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -40,11 +40,10 @@
 
 # Path to CQ bots feature is described in https://bug.skia.org/4364
 PATH_PREFIX_TO_EXTRA_TRYBOTS = {
-    # pylint: disable=line-too-long
-    'src/opts/': 'master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot',
-
-    'include/private/SkAtomics.h': ('master.client.skia:'
-      'Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Release-TSAN-Trybot,'
+    'src/opts/':
+        'skia.primary:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD',
+    'include/private/SkAtomics.h': ('skia.primary:'
+      'Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Release-TSAN,'
       'Test-Ubuntu-Clang-Golo-GPU-GT610-x86_64-Release-TSAN-Trybot'
     ),