Increased timeout limit

tools/run_tests/run_tests.py

@@ -1115,7 +1115,7 @@ class ObjCLanguage(object):
         out.append(
             self.config.job_spec(
                 ['src/objective-c/tests/build_one_example.sh'],
-                timeout_seconds=10 * 60,
+                timeout_seconds=20 * 60,
                 shortname='ios-buildtest-example-watchOS-sample',
                 cpu_cost=1e6,
                 environ={
@@ -1126,7 +1126,7 @@ class ObjCLanguage(object):
         out.append(
             self.config.job_spec(
                 ['src/objective-c/tests/build_one_example.sh'],
-                timeout_seconds=10 * 60,
+                timeout_seconds=20 * 60,
                 shortname='ios-buildtest-example-watchOS-sample-framework',
                 cpu_cost=1e6,
                 environ={