Update MuPDF mini to 1.15.0 (50)

metadata/com.artifex.mupdf.mini.app.yml

@@ -77,6 +77,24 @@ Builds:
       - jni/libmupdf/build/release/scripts
     ndk: r16b
 
+  - versionName: 1.15.0
+    versionCode: 50
+    commit: 1.15.0
+    subdir: app
+    submodules: true
+    gradle:
+      - yes
+    prebuild:
+      - sed -i -e '/maven.ghostscript.com/d' ../build.gradle
+      - sed -i -e '/MAVEN_REPO/,+2d' ../build.gradle
+      - sed -i -e 's/enable true/enable false/' build.gradle
+      - sed -i -e "s/'-j4'/'-j`nproc`'/" ../jni/build.gradle
+      - echo 'ABI_FILTERS=armeabi-v7a,arm64-v8a,x86' >> ../gradle.properties
+    scandelete:
+      - jni/libmupdf/thirdparty
+    build: make -C ../jni/libmupdf generate
+    ndk: r16b
+
 MaintainerNotes: |-
     Upstream builds separate APKs for all target architectures supported by NDK
     (7 as of r16). We build universal APK with armeabi-v7a, arm64-v8a and x86
@@ -84,5 +102,5 @@ MaintainerNotes: |-
 
 AutoUpdateMode: Version %v
 UpdateCheckMode: Tags
-CurrentVersion: 1.13.0
+CurrentVersion: 1.15.0
-CurrentVersionCode: 30
+CurrentVersionCode: 50