Revert of 🐎 Remove --shard-timeout from webrtc recipes now that they are in wrapper scripts

scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json

Index: scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json
diff --git a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json
index 68f83f3371fe402ed98d470cd3b76e97f3220c57..683ce8854055fe044b2ada7e7a2950ecd06db176 100644
--- a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json
+++ b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_android32_tests__l_nexus7_2__dbg_.json
@@ -347,7 +347,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_audio_decoder_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -362,7 +364,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_common_audio_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -377,7 +381,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_common_video_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -392,7 +398,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_modules_tests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -407,7 +415,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_modules_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -422,7 +432,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_peerconnection_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -437,7 +449,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_system_wrappers_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -452,7 +466,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_test_support_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -467,7 +483,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_tools_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -482,7 +500,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_video_engine_tests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -497,7 +517,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_voice_engine_unittests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -512,7 +534,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_webrtc_nonparallel_tests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "900"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
@@ -527,7 +551,9 @@
       "[SLAVE_BUILD]/src/out/Debug/bin/run_webrtc_perf_tests",
       "--blacklist-file",
       "[SLAVE_BUILD]/src/out/bad_devices.json",
-      "--verbose"
+      "--verbose",
+      "-t",
+      "2700"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {