Update version and CHANGELOG for fleetd-android-v1.0.2 (#37909)

<!-- Add the related story/sub-task/bug number, like Resolves #123, or
remove if NA -->
**Related issue:** Resolves #37736

android/CHANGELOG.md

@@ -0,0 +1,3 @@
+## Android agent 1.0.2 (Jan 6, 2026)
+
+* First release, supporting installing and removing certs with custom SCEP CAs.

android/app/build.gradle.kts

@@ -24,8 +24,8 @@ android {
         applicationId = "com.fleetdm.agent"
         minSdk = 33
         targetSdk = 36
-        versionCode = 4
-        versionName = "1.0.1"
+        versionCode = 5
+        versionName = "1.0.2"
 
         buildConfigField("String", "INFO_URL", "\"https://fleetdm.com/better\"")