Update Silence to 0.15.16 (212)

metadata/org.smssecure.smssecure.yml

@@ -879,6 +879,20 @@ Builds:
       - ./scripts/build-witness.sh
       - rm -rf libs/gradle-witness/build
 
+  - versionName: 0.15.16
+    versionCode: 212
+    commit: v0.15.16
+    submodules: true
+    gradle:
+      - yes
+    rm:
+      - libs/*.jar
+      - libs/org.greenrobot.eventbus/EventBusTest/libs/*.jar
+    prebuild:
+      - touch signing.properties
+      - ./scripts/build-witness.sh
+      - rm -rf libs/gradle-witness/build
+
 MaintainerNotes: |-
     Auto Update does not really work because the latest unstable build is newer than CV.
     So we need to always add new build manually.
@@ -890,4 +904,4 @@ ArchivePolicy: 5 versions
 AutoUpdateMode: Version v%v
 UpdateCheckMode: Tags ^v[0-9\\.]+$
 CurrentVersion: 0.15.16
-CurrentVersionCode: 145
+CurrentVersionCode: 212