Merge pull request #12243 from matt-kwong/kokoro_flags2

Add max_time flag to Kokoro PR jobs

tools/internal_ci/linux/pull_request/grpc_basictests_c_cpp_dbg.cfg

@@ -26,5 +26,5 @@ action {
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f basictests linux corelang dbg --inner_jobs 16 -j 1 --internal_ci"
+  value: "-f basictests linux corelang dbg --inner_jobs 16 -j 1 --internal_ci --max_time=3600"
 }

tools/internal_ci/linux/pull_request/grpc_basictests_c_cpp_opt.cfg

@@ -26,5 +26,5 @@ action {
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f basictests linux corelang opt --inner_jobs 16 -j 1 --internal_ci"
+  value: "-f basictests linux corelang opt --inner_jobs 16 -j 1 --internal_ci --max_time=3600"
 }

tools/internal_ci/linux/pull_request/grpc_basictests_multilang.cfg

@@ -26,5 +26,5 @@ action {
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f basictests linux multilang --inner_jobs 16 -j 2 --internal_ci"
+  value: "-f basictests linux multilang --inner_jobs 16 -j 2 --internal_ci --max_time=3600"
 }

tools/internal_ci/macos/pull_request/grpc_basictests_dbg.cfg

@@ -27,5 +27,5 @@ action {
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f basictests macos dbg --internal_ci -j 1 --inner_jobs 4"
+  value: "-f basictests macos dbg --internal_ci -j 1 --inner_jobs 4 --max_time=3600"
 }

tools/internal_ci/macos/pull_request/grpc_basictests_opt.cfg

@@ -27,5 +27,5 @@ action {
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f basictests macos opt --internal_ci -j 1 --inner_jobs 4"
+  value: "-f basictests macos opt --internal_ci -j 1 --inner_jobs 4 --max_time=3600"
 }

tools/internal_ci/windows/pull_request/grpc_basictests.cfg

@@ -26,5 +26,5 @@ action {
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f basictests windows -j 1 --inner_jobs 8 --internal_ci"
+  value: "-f basictests windows -j 1 --inner_jobs 8 --internal_ci --max_time=3600"
 }