Circle Hotfix For Build (#142)

Signed-off-by: d067928 <jakob.moeller@sap.com>

.circleci/config.yml

@@ -11,8 +11,8 @@ jobs:
     steps:
       - checkout
       - install-ndk:
-          ndk-sha: "c81a5bcb4672a18d3647bf6898cd4dbcb978d0e8"
-          ndk-version: "android-ndk-r21c"
+          ndk-sha: "50250fcba479de477b45801e2699cca47f7e1267"
+          ndk-version: "android-ndk-r21b"
       - restore-build-cache
       - restore_cache:
           key: jars-{{ checksum "build.gradle" }}-{{ checksum  "Corona-Warn-App/build.gradle" }}-{{ checksum  "Server-Protocol-Buffer/build.gradle" }}

Corona-Warn-App/build.gradle

@@ -25,7 +25,7 @@ apply plugin: "androidx.navigation.safeargs.kotlin"
 apply plugin: 'jacoco'
 
 android {
-    ndkVersion "21.2.6472646"
+    ndkVersion "21.1.6352462"
     compileSdkVersion 29
     buildToolsVersion "29.0.3"