Remove all use of jumbo_* build target types.

Now that the jumbo build is no longer supported (and hasn't been
for quite a while), there is no need to use the jumbo target types
like jumbo_source_set, jumbo_component, and jumbo_static_library.

This CL converts all such targets back to their non-jumbo equivalents.
The change was made via a simple search and replace.

Bug: 994387
Change-Id: I19b431c148d3b43fa19a72f00b28d84ff5a14e8b
AX-Relnotes: n/a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2337280
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Reviewed-by: Robert Kroeger <rjkroege@chromium.org>
Commit-Queue: Dirk Pranke <dpranke@google.com>
Cr-Commit-Position: refs/heads/master@{#795492}

diff --git a/ui/aura/BUILD.gn b/ui/aura/BUILD.gn
index 0299d0f..9967865b 100644
--- a/ui/aura/BUILD.gn
+++ b/ui/aura/BUILD.gn

@@ -6,7 +6,7 @@
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
-jumbo_component("aura") {
+component("aura") {
   public = [
     "client/aura_constants.h",
     "client/capture_client.h",
@@ -175,7 +175,7 @@
   configs += [ "//build/config/compiler:noshadowing" ]
 }
 
-jumbo_static_library("test_support") {
+static_library("test_support") {
   testonly = true
   sources = [
     "test/aura_test_base.cc",