feat: allow android configuration values to be updated

android/src/main/java/com/amplitude/android/Configuration.kt

@@ -29,15 +29,15 @@ open class Configuration @JvmOverloads constructor(
     override var serverUrl: String? = null,
     override var plan: Plan? = null,
     override var ingestionMetadata: IngestionMetadata? = null,
-    val useAdvertisingIdForDeviceId: Boolean = false,
-    val useAppSetIdForDeviceId: Boolean = false,
-    val newDeviceIdPerInstall: Boolean = false,
+    var useAdvertisingIdForDeviceId: Boolean = false,
+    var useAppSetIdForDeviceId: Boolean = false,
+    var newDeviceIdPerInstall: Boolean = false,
     val trackingOptions: TrackingOptions = TrackingOptions(),
-    val enableCoppaControl: Boolean = false,
-    val locationListening: Boolean = true,
-    val flushEventsOnClose: Boolean = true,
-    val minTimeBetweenSessionsMillis: Long = MIN_TIME_BETWEEN_SESSIONS_MILLIS,
-    val trackingSessionEvents: Boolean = true
+    var enableCoppaControl: Boolean = false,
+    var locationListening: Boolean = true,
+    var flushEventsOnClose: Boolean = true,
+    var minTimeBetweenSessionsMillis: Long = MIN_TIME_BETWEEN_SESSIONS_MILLIS,
+    var trackingSessionEvents: Boolean = true
 ) : Configuration(apiKey, flushQueueSize, flushIntervalMillis, instanceName, optOut, storageProvider, loggerProvider, minIdLength, partnerId, callback, flushMaxRetries, useBatch, serverZone, serverUrl, plan, ingestionMetadata) {
     companion object {
         const val MIN_TIME_BETWEEN_SESSIONS_MILLIS: Long = 300000

android/src/test/java/com/amplitude/android/ConfigurationTest.kt

@@ -0,0 +1,34 @@
+package com.amplitude.android
+
+import android.app.Application
+import android.content.Context
+import com.amplitude.android.plugins.AndroidLifecyclePlugin
+import io.mockk.mockk
+import io.mockk.mockkStatic
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+
+class ConfigurationTest {
+    private var context: Context? = null
+
+    @BeforeEach
+    fun setUp() {
+        context = mockk<Application>(relaxed = true)
+        mockkStatic(AndroidLifecyclePlugin::class)
+    }
+
+    @Test
+    fun configuration_init_isValid() {
+        val configuration = Configuration("test-apikey", context!!)
+        Assertions.assertTrue(configuration.isValid())
+    }
+
+    @Test
+    fun configuration_allows_propertyUpdate() {
+        val configuration = Configuration("test-apikey", context!!)
+        Assertions.assertTrue(configuration.trackingSessionEvents)
+        configuration.trackingSessionEvents = false
+        Assertions.assertFalse(configuration.trackingSessionEvents)
+    }
+}