Update DroidTR IME to 7.4 (51)

metadata/org.droidtr.keyboard.yml

@@ -142,7 +142,21 @@ Builds:
         make
       - mv bin/app.ap_ bin/app.apk
 
+  - versionName: '7.4'
+    versionCode: 51
+    commit: '7.4'
+    output: bin/app.apk
+    rm:
+      - bin
+    prebuild:
+      - sed -i -e 's|~/Android/Sdk|$$SDK$$|' -e 's/ sign//' Makefile
+      - android update sdk --no-ui --filter android-28
+    build:
+      - JAVA_HOME=$(file /etc/alternatives/javac | cut -d " " -f 5|cut -d "/" -f 1-5)
+        make
+      - mv bin/app.ap_ bin/app.apk
+
 AutoUpdateMode: Version %v
 UpdateCheckMode: Tags
-CurrentVersion: '7.3'
-CurrentVersionCode: 49
+CurrentVersion: '7.4'
+CurrentVersionCode: 51