[Fuchsia] Put fuchsia builder that compiles debug component builds on CQ

Remove experiment percentage from the builder, help detect issues like https://crrev.com/c/2519039, which needed to be reverted.

Bug: 1148424
Change-Id: Iacd92899e5b85a8a4f6508ba18be1c93b9af51ba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2537411Reviewed-by: Erik Staab <estaab@chromium.org>
Commit-Queue: Chong Gu <chonggu@google.com>
Auto-Submit: Chong Gu <chonggu@google.com>
Cr-Commit-Position: refs/heads/master@{#827892}

infra/config/generated/commit-queue.cfg

@@ -575,8 +575,9 @@ config_groups {
       }
       builders {
         name: "chromium/try/fuchsia-compile-x64-dbg"
-        experiment_percentage: 50
-        location_regexp: ".*"
+        location_regexp: ".+/[+]/base/fuchsia/.+"
+        location_regexp: ".+/[+]/fuchsia/.+"
+        location_regexp: ".+/[+]/media/fuchsia/.+"
         location_regexp_exclude: ".+/[+]/docs/.+"
         location_regexp_exclude: ".+/[+]/infra/config/.+"
       }

infra/config/generated/cq-builders.md

@@ -221,6 +221,13 @@ builder.
   Path regular expressions:
   * [`//chromecast/.+`](https://cs.chromium.org/chromium/src/chromecast/)
 
+* [fuchsia-compile-x64-dbg](https://ci.chromium.org/p/chromium/builders/try/fuchsia-compile-x64-dbg) ([definition](https://cs.chromium.org/search?q=package:%5Echromium$+file:/cq.star$+-file:/beta/+-file:/stable/+fuchsia-compile-x64-dbg)) ([matching builders](https://cs.chromium.org/search?q=+file:trybots.py+fuchsia-compile-x64-dbg))
+
+  Path regular expressions:
+  * [`//base/fuchsia/.+`](https://cs.chromium.org/chromium/src/base/fuchsia/)
+  * [`//fuchsia/.+`](https://cs.chromium.org/chromium/src/fuchsia/)
+  * [`//media/fuchsia/.+`](https://cs.chromium.org/chromium/src/media/fuchsia/)
+
 * [ios-simulator-cronet](https://ci.chromium.org/p/chromium/builders/try/ios-simulator-cronet) ([definition](https://cs.chromium.org/search?q=package:%5Echromium$+file:/cq.star$+-file:/beta/+-file:/stable/+ios-simulator-cronet)) ([matching builders](https://cs.chromium.org/search?q=+file:trybots.py+ios-simulator-cronet))
 
   Path regular expressions:
@@ -357,9 +364,6 @@ as required builders.
 * [android-marshmallow-x86-rel](https://ci.chromium.org/p/chromium/builders/try/android-marshmallow-x86-rel) ([definition](https://cs.chromium.org/search?q=package:%5Echromium$+file:/cq.star$+-file:/beta/+-file:/stable/+android-marshmallow-x86-rel)) ([matching builders](https://cs.chromium.org/search?q=+file:trybots.py+android-marshmallow-x86-rel))
   * Experiment percentage: 100
 
-* [fuchsia-compile-x64-dbg](https://ci.chromium.org/p/chromium/builders/try/fuchsia-compile-x64-dbg) ([definition](https://cs.chromium.org/search?q=package:%5Echromium$+file:/cq.star$+-file:/beta/+-file:/stable/+fuchsia-compile-x64-dbg)) ([matching builders](https://cs.chromium.org/search?q=+file:trybots.py+fuchsia-compile-x64-dbg))
-  * Experiment percentage: 50
-
 * [ios-simulator-coverage-exp](https://ci.chromium.org/p/chromium/builders/try/ios-simulator-coverage-exp) ([definition](https://cs.chromium.org/search?q=package:%5Echromium$+file:/cq.star$+-file:/beta/+-file:/stable/+ios-simulator-coverage-exp)) ([matching builders](https://cs.chromium.org/search?q=+file:trybots.py+ios-simulator-coverage-exp))
   * Experiment percentage: 3
 

infra/config/subprojects/chromium/try.star

@@ -848,7 +848,11 @@ try_.chromium_linux_builder(
 try_.chromium_linux_builder(
     name = "fuchsia-compile-x64-dbg",
     tryjob = try_.job(
-        experiment_percentage = 50,
+        location_regexp = [
+            ".+/[+]/base/fuchsia/.+",
+            ".+/[+]/fuchsia/.+",
+            ".+/[+]/media/fuchsia/.+",
+        ],
     ),
 )