Split performance benchmark and baseline profile into separate modules.

baseline-profile/.gitignore

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+/build

baseline-profile/build.gradle.kts

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+plugins {
+  id("com.android.test")
+  alias(libs.plugins.jetbrains.kotlin.android)
+  alias(benchmarkLibs.plugins.baselineprofile)
+}
+
+android {
+  namespace = "org.signal.baselineprofile"
+  compileSdk {
+    version = release(36)
+  }
+
+  compileOptions {
+    sourceCompatibility = JavaVersion.toVersion(libs.versions.javaVersion.get())
+    targetCompatibility = JavaVersion.toVersion(libs.versions.javaVersion.get())
+  }
+
+  kotlinOptions {
+    jvmTarget = libs.versions.kotlinJvmTarget.get()
+  }
+
+  defaultConfig {
+    minSdk = 28
+    targetSdk = 36
+
+    testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+  }
+
+  buildTypes {
+    create("mocked") {
+      matchingFallbacks += "debug"
+      isDebuggable = true
+    }
+  }
+
+  targetProjectPath = ":Signal-Android"
+
+  flavorDimensions += listOf("distribution", "environment")
+  productFlavors {
+    create("play") { dimension = "distribution" }
+    create("prod") { dimension = "environment" }
+  }
+
+  testOptions {
+    managedDevices {
+      localDevices {
+        create("api31") {
+          device = "Pixel 3"
+          apiLevel = 31
+          systemImageSource = "aosp"
+          require64Bit = false
+        }
+      }
+    }
+  }
+}
+
+baselineProfile {
+  managedDevices += "api31"
+  useConnectedDevices = false
+}
+
+dependencies {
+  implementation(benchmarkLibs.androidx.test.ext.junit)
+  implementation(benchmarkLibs.espresso.core)
+  implementation(benchmarkLibs.uiautomator)
+  implementation(benchmarkLibs.androidx.benchmark.macro)
+}
+
+androidComponents {
+  beforeVariants(selector().all()) {
+    if (it.flavorName != "playProd" && it.buildType != "mocked") {
+      it.enable = false
+    }
+  }
+}

baseline-profile/src/main/AndroidManifest.xml

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+<manifest />

baseline-profile/src/main/java/org/signal/baselineprofile/BaselineProfileGenerator.kt

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+package org.signal.baselineprofile
+
+import androidx.benchmark.macro.junit4.BaselineProfileRule
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.LargeTest
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.By
+import androidx.test.uiautomator.Until
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * WARNING! THIS WILL WIPE YOUR SIGNAL INSTALL
+ *
+ * Test that generates a Baseline profile from a user journey. Our journey is:
+ *  - start the app
+ *  - open a conversation
+ */
+@RunWith(AndroidJUnit4::class)
+@LargeTest
+class BaselineProfileGenerator {
+
+  @get:Rule
+  val baselineProfileRule = BaselineProfileRule()
+
+  @Test
+  fun startup() {
+    var setup = false
+    baselineProfileRule.collect(
+      packageName = "org.thoughtcrime.securesms",
+      includeInStartupProfile = true,
+      profileBlock = {
+        if (!setup) {
+          BenchmarkSetup.setup("cold-start", device)
+          setup = true
+        }
+
+        pressHome()
+        startActivityAndWait()
+        device.findObject(By.textContains("Buddy")).click()
+        device.wait(Until.hasObject(By.textContains("Signal message")), 10_000L)
+        device.wait(Until.hasObject(By.textContains("Test")), 5_000L)
+      }
+    )
+  }
+}

baseline-profile/src/main/java/org/signal/baselineprofile/BenchmarkSetup.kt

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+package org.signal.baselineprofile
+
+import androidx.test.uiautomator.By
+import androidx.test.uiautomator.UiDevice
+import androidx.test.uiautomator.Until
+
+object BenchmarkSetup {
+  fun setup(type: String, device: UiDevice) {
+    device.executeShellCommand("am start -W -n org.thoughtcrime.securesms/org.signal.benchmark.BenchmarkSetupActivity --es setup-type $type")
+    device.wait(Until.hasObject(By.textContains("done")), 25_000L)
+  }
+}