add some more ndks

metadata/com.eolwral.osmonitor.yml

@@ -385,6 +385,7 @@ Builds:
       - mv libs/armeabi/osmcore_pie assets/osmcore_arm_pie
       - mv libs/mips/osmcore_pie assets/osmcore_mips_pie
       - mv libs/x86/osmcore_pie assets/osmcore_x86_pie
+    ndk: r12b
 
 MaintainerNotes: ndkMove doesn't work for some reason, so build the native stuff and
     move it ourselves.

metadata/fr.xplod.focal.yml

@@ -65,6 +65,7 @@ Builds:
         tiffinfo autooptimiser pto_var libtiffdecoder.so libgthread-2.0.so libtiff.so
         libexiv2.so multiblend; do cp $$AndroidFocal$$/libs/armeabi-v7a/$(basename
         $f) assets/picsphere/$f; done
+    ndk: r12b
 
 AutoUpdateMode: None
 UpdateCheckMode: RepoManifest

metadata/org.yabause.android.yml

@@ -33,6 +33,7 @@ Builds:
       - cmake -DCMAKE_TOOLCHAIN_FILE=src/android/android.cmake -DNDK_BUILD=$$NDK$$/ndk-build
         -DSDK_ANDROID=$$SDK$$/tools/android -DYAB_PORTS=android .
       - make
+    ndk: r12b
 
 AutoUpdateMode: None
 UpdateCheckMode: None