[KYUUBI #756] [INFRA] Recover CODECOV

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### _Why are the changes needed?_
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  1. If you add a feature, you can talk about the use case of it.
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### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/latest/tools/testing.html#running-tests) locally before make a pull request

Closes #756 from pan3793/codecov.

Closes #756

0fc8a6dc [Cheng Pan] nit
52fc82d5 [Cheng Pan] MAVEN_OPTS
20bac836 [Cheng Pan] try recover codecov

Authored-by: Cheng Pan <379377944@qq.com>
Signed-off-by: Cheng Pan <379377944@qq.com>

build/mvn

@@ -21,6 +21,8 @@
 _DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 # Preserve the calling directory
 _CALLING_DIR="$(pwd)"
+# Options used during compilation
+_COMPILE_JVM_OPTS="-Xms2g -Xmx2g -Xss8m -XX:ReservedCodeCacheSize=512m"
 
 if [ "$CI" ]; then
   export MAVEN_CLI_OPTS="--batch-mode --no-transfer-progress --errors --fail-fast"
@@ -108,5 +110,9 @@ install_scala
 install_mvn
 
 cd "${_CALLING_DIR}"
+
+# Set any `mvn` options if not already present
+export MAVEN_OPTS=${MAVEN_OPTS:-"$_COMPILE_JVM_OPTS"}
+
 echo "Using \`mvn\` from path: $MVN_BIN" 1>&2
 ${MVN_BIN} $MAVEN_CLI_OPTS "$@"

pom.xml

@@ -1315,7 +1315,6 @@
                         <reportsDirectory>${project.build.directory}/surefire-reports</reportsDirectory>
                         <junitxml>.</junitxml>
                         <filereports>TestSuite.txt</filereports>
-                        <argLine>-Xmx2g -Xms2g -Xss8m -XX:ReservedCodeCacheSize=512M</argLine>
                         <environmentVariables>
                             <KYUUBI_WORK_DIR_ROOT>${project.build.directory}/work</KYUUBI_WORK_DIR_ROOT>
                         </environmentVariables>