Extract MacrobenchUtils.kt to a new testutils

Modified:
- compose/integration-tests
- benchmark/integration-tests

Test: Ran macrobench
Bug: b/187328685

Change-Id: Icd1db10f4e94850233e9452636746c4392871ee2

diff --git a/settings.gradle b/settings.gradle
index b657ebe..fab68c1 100644
--- a/settings.gradle
+++ b/settings.gradle

@@ -665,6 +665,7 @@
 includeProject(":internal-testutils-espresso", "testutils/testutils-espresso", [BuildType.MAIN])
 includeProject(":internal-testutils-truth", "testutils/testutils-truth", [BuildType.MAIN, BuildType.FLAN])
 includeProject(":internal-testutils-ktx", "testutils/testutils-ktx", [BuildType.MAIN, BuildType.COMPOSE])
+includeProject(":internal-testutils-macrobenchmark", "testutils/testutils-macrobenchmark", [BuildType.MAIN, BuildType.COMPOSE])
 includeProject(":internal-testutils-navigation", "testutils/testutils-navigation", [BuildType.MAIN, BuildType.COMPOSE, BuildType.FLAN])
 includeProject(":internal-testutils-paging", "testutils/testutils-paging", [BuildType.MAIN, BuildType.COMPOSE])
 includeProject(":internal-testutils-gradle-plugin", "testutils/testutils-gradle-plugin", [BuildType.MAIN, BuildType.FLAN])