android_jni: Move test proguard spec to androidTest sub-directory
diff --git a/android_jni/avifandroidjni/android-test-proguard-rules.pro b/android_jni/avifandroidjni/src/androidTest/proguard-rules.pro similarity index 100% rename from android_jni/avifandroidjni/android-test-proguard-rules.pro rename to android_jni/avifandroidjni/src/androidTest/proguard-rules.pro