Build: Update to NDK r21e.

This fixes a NEON intrinsic segfault and is LTS.

.github/workflows/build.yml

@@ -220,7 +220,7 @@ jobs:
       if: matrix.extra == 'android'
       id: setup-ndk
       with:
-        ndk-version: r21d
+        ndk-version: r21e
 
     - name: Install Linux dependencies
       if: runner.os == 'Linux' && matrix.extra != 'android'

.github/workflows/manual_generate_apk.yml

@@ -35,7 +35,7 @@ jobs:
       #- name: Setup NDK
       #  uses: nttld/setup-ndk@v1
       #  with:
-      #    ndk-version: r21d
+      #    ndk-version: r21e
       
       - name: Assemble APK
         run: bash ./gradlew assemble${{ github.event.inputs.buildVariant }} --stacktrace