Better JAVA_HOME check

Author: marcprux

.github/workflows/scripts/android/android-emulator-tests.sh

@@ -42,9 +42,17 @@ command -v sudo >/dev/null || install_package sudo
 
 # /usr/lib/jvm/java-17-openjdk-amd64
 log "Installing Java"
+
+#JAVA_HOME=${JAVA_HOME:-/usr/lib/jvm/}
+if [[ ! -z "${JAVA_HOME}" ]]; then
+    log "JAVA_HOME: ${JAVA_HOME}" || true
+fi
+
+log "Checking: /usr/lib/jvm/"
+ls /usr/lib/jvm/ || true
+
 # Java packages are named different things on different distributions
 install_package java-17-openjdk-devel || install_package openjdk-17-jdk || install_package java-openjdk17 || install_package java-17-amazon-corretto
-#log "JAVA_HOME: ${JAVA_HOME}" || true
 which java || true
 
 # TODO: java-17-amazon-corretto does not add to JAVA_HOME