Fix the android launcher script to not force Java 1.5 on MacOS

tools/sdkmanager/app/etc/android

@@ -62,14 +62,13 @@ else
     java_debug=
 fi
 
+java_cmd="java"
+
 # Mac OS X needs an additional arg, or you get an "illegal thread" complaint.
 if [ `uname` = "Darwin" ]; then
     os_opts="-XstartOnFirstThread"
-    #because Java 1.6 is 64 bits only and SWT doesn't support this, we force the usage of java 1.5
-    java_cmd="/System/Library/Frameworks/JavaVM.framework/Versions/1.5/Commands/java"
 else
     os_opts=
-    java_cmd="java"
 fi
 
 if [ "$OSTYPE" = "cygwin" ] ; then
@@ -87,7 +86,7 @@ swtpath=""
 if [ -n "$ANDROID_SWT" ]; then
     swtpath="$ANDROID_SWT"
 else
-    vmarch=`java -jar "${frameworkdir}"/archquery.jar`
+    vmarch=`${java_cmd} -jar "${frameworkdir}"/archquery.jar`
     if [ -n "$ANDROID_BUILD_TOP" ]; then
         osname=`uname -s | tr A-Z a-z`
         swtpath="${ANDROID_BUILD_TOP}/prebuilt/${osname}-${vmarch}/swt"