Do not build 'all' on iOS trybots.

It seems iOS trybots are the only ones that build "all". This causes
problems when using Abseil because some targets in
//third_party/abseil-cpp fail to build (because they depend on CCTZ).

Bug: webrtc:8821
Change-Id: I017ecb0527a7e3f3c59f41053fa1878d16cbe4e9
No-Try: True
Reviewed-on: https://webrtc-review.googlesource.com/70140
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22890}
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios32_sim_ios9_dbg.json b/tools_webrtc/ios/tryserver.webrtc/ios32_sim_ios9_dbg.json
index a82cfea..f840977 100644
--- a/tools_webrtc/ios/tryserver.webrtc/ios32_sim_ios9_dbg.json
+++ b/tools_webrtc/ios/tryserver.webrtc/ios32_sim_ios9_dbg.json
@@ -12,7 +12,7 @@
     "use_goma=true"
   ],
   "use_analyze": false,
-  "additional_compile_targets": [ "all" ],
+  "additional_compile_targets": [],
   "configuration": "Debug",
   "sdk": "iphonesimulator9.3",
   "tests": [
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios10_dbg.json b/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios10_dbg.json
index 28f9620..c3f2e18 100644
--- a/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios10_dbg.json
+++ b/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios10_dbg.json
@@ -12,7 +12,7 @@
     "use_goma=true"
   ],
   "use_analyze": false,
-  "additional_compile_targets": [ "all" ],
+  "additional_compile_targets": [],
   "configuration": "Debug",
   "sdk": "iphonesimulator10.3",
   "tests": [
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios11_dbg.json b/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios11_dbg.json
index 4a2ad07..6738f24 100644
--- a/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios11_dbg.json
+++ b/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios11_dbg.json
@@ -12,7 +12,7 @@
     "use_goma=true"
   ],
   "use_analyze": false,
-  "additional_compile_targets": [ "all" ],
+  "additional_compile_targets": [],
   "configuration": "Debug",
   "sdk": "iphonesimulator11.0",
   "tests": [
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios9_dbg.json b/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios9_dbg.json
index 4c1af2d..5380912 100644
--- a/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios9_dbg.json
+++ b/tools_webrtc/ios/tryserver.webrtc/ios64_sim_ios9_dbg.json
@@ -12,7 +12,7 @@
     "use_goma=true"
   ],
   "use_analyze": false,
-  "additional_compile_targets": [ "all" ],
+  "additional_compile_targets": [],
   "configuration": "Debug",
   "sdk": "iphonesimulator9.3",
   "tests": [
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_arm64_dbg.json b/tools_webrtc/ios/tryserver.webrtc/ios_arm64_dbg.json
index a718b7a..bfa083f 100644
--- a/tools_webrtc/ios/tryserver.webrtc/ios_arm64_dbg.json
+++ b/tools_webrtc/ios/tryserver.webrtc/ios_arm64_dbg.json
@@ -13,7 +13,7 @@
     "use_goma=true"
   ],
   "use_analyze": false,
-  "additional_compile_targets": [ "all" ],
+  "additional_compile_targets": [],
   "configuration": "Debug",
   "sdk": "iphoneos10.3",
   "tests": [
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_arm64_rel.json b/tools_webrtc/ios/tryserver.webrtc/ios_arm64_rel.json
index 7d2f923..576f54c 100644
--- a/tools_webrtc/ios/tryserver.webrtc/ios_arm64_rel.json
+++ b/tools_webrtc/ios/tryserver.webrtc/ios_arm64_rel.json
@@ -14,7 +14,7 @@
     "use_goma=true"
   ],
   "use_analyze": false,
-  "additional_compile_targets": [ "all" ],
+  "additional_compile_targets": [],
   "configuration": "Release",
   "sdk": "iphoneos10.3",
   "tests": [
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_dbg.json b/tools_webrtc/ios/tryserver.webrtc/ios_dbg.json
index 4c5aca5..51a4415 100644
--- a/tools_webrtc/ios/tryserver.webrtc/ios_dbg.json
+++ b/tools_webrtc/ios/tryserver.webrtc/ios_dbg.json
@@ -13,7 +13,7 @@
     "use_goma=true"
   ],
   "use_analyze": false,
-  "additional_compile_targets": [ "all" ],
+  "additional_compile_targets": [],
   "configuration": "Debug",
   "sdk": "iphoneos10.3",
   "tests": [
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_rel.json b/tools_webrtc/ios/tryserver.webrtc/ios_rel.json
index 81c16db..4803b3f 100644
--- a/tools_webrtc/ios/tryserver.webrtc/ios_rel.json
+++ b/tools_webrtc/ios/tryserver.webrtc/ios_rel.json
@@ -14,7 +14,7 @@
     "use_goma=true"
   ],
   "use_analyze": false,
-  "additional_compile_targets": [ "all" ],
+  "additional_compile_targets": [],
   "configuration": "Release",
   "sdk": "iphoneos10.3",
   "tests": [