For #22559: Update leak canary version to 2.8.1

app/src/androidTest/java/org/mozilla/fenix/perf/StartupExcessiveResourceUseTest.kt

@@ -21,7 +21,7 @@ import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.helpers.HomeActivityTestRule
 
 // BEFORE INCREASING THESE VALUES, PLEASE CONSULT WITH THE PERF TEAM.
-private const val EXPECTED_SUPPRESSION_COUNT = 19
+private const val EXPECTED_SUPPRESSION_COUNT = 20
 @Suppress("TopLevelPropertyNaming") // it's silly this would have a different naming convention b/c no const
 private val EXPECTED_RUNBLOCKING_RANGE = 0..1 // CI has +1 counts compared to local runs: increment these together
 private const val EXPECTED_RECYCLER_VIEW_CONSTRAINT_LAYOUT_CHILDREN = 4

app/src/debug/java/org/mozilla/fenix/DebugFenixApplication.kt

@@ -8,20 +8,31 @@ import android.os.StrictMode
 import androidx.preference.PreferenceManager
 import leakcanary.AppWatcher
 import leakcanary.LeakCanary
+import org.mozilla.fenix.ext.application
 import org.mozilla.fenix.ext.getPreferenceKey
 
 class DebugFenixApplication : FenixApplication() {
 
     override fun setupLeakCanary() {
+        if (!AppWatcher.isInstalled) {
+            AppWatcher.manualInstall(
+                application = application,
+                watchersToInstall = AppWatcher.appDefaultWatchers(application)
+            )
+        }
+
         val isEnabled = components.strictMode.resetAfter(StrictMode.allowThreadDiskReads()) {
             PreferenceManager.getDefaultSharedPreferences(this)
                 .getBoolean(getPreferenceKey(R.string.pref_key_leakcanary), true)
         }
+
         updateLeakCanaryState(isEnabled)
     }
 
     override fun updateLeakCanaryState(isEnabled: Boolean) {
-        AppWatcher.config = AppWatcher.config.copy(enabled = isEnabled)
-        LeakCanary.config = LeakCanary.config.copy(dumpHeap = isEnabled)
+        LeakCanary.showLeakDisplayActivityLauncherIcon(isEnabled)
+        components.strictMode.resetAfter(StrictMode.allowThreadDiskReads()) {
+            LeakCanary.config = LeakCanary.config.copy(dumpHeap = isEnabled)
+        }
     }
 }

buildSrc/src/main/java/Dependencies.kt

@@ -15,7 +15,7 @@ object Versions {
     const val android_lint_api = "30.0.0"
 
     const val sentry = "1.7.10"
-    const val leakcanary = "2.4"
+    const val leakcanary = "2.8.1"
     const val osslicenses_plugin = "0.10.4"
     const val detekt = "1.17.1"
     const val jna = "5.6.0"
@@ -172,7 +172,7 @@ object Deps {
     const val mozilla_support_locale = "org.mozilla.components:support-locale:${Versions.mozilla_android_components}"
 
     const val sentry = "io.sentry:sentry-android:${Versions.sentry}"
-    const val leakcanary = "com.squareup.leakcanary:leakcanary-android:${Versions.leakcanary}"
+    const val leakcanary = "com.squareup.leakcanary:leakcanary-android-core:${Versions.leakcanary}"
 
     const val androidx_compose_ui = "androidx.compose.ui:ui:${Versions.androidx_compose}"
     const val androidx_compose_ui_test = "androidx.compose.ui:ui-test-junit4:${Versions.androidx_compose}"