[ATest] Create ATest's own local minimum config.

1. Move common configuration to local_min_base.xml
2. Keep original logsaver FileSystemLogSaver declaration in
local_min.xml
3. Declare ATest’s own logsaver in atest_local_min.xml

Bug:124819561
Bug:151241514

Test: source && lunch
     tools/tradefederation/core/tests/run_tradefed_tests.sh --class com.android.tradefed.result.ATestFileSystemLogSaverTest

Change-Id: Ia909e92e763b90ec95b1f415aac2ea769c25306a
Merged-In: I841dd89fdf732efd561c3c4d1e115064fd6f4b74
Merged-In: I3c5098c02a0f045463ef01c62b99f1006f7b5831
diff --git a/res/config/template/atest_local_min.xml b/res/config/template/atest_local_min.xml
new file mode 100644
index 0000000..3cde23f
--- /dev/null
+++ b/res/config/template/atest_local_min.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2019 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<!-- Common configuration for atest's local runs with minimum overhead. -->
+<configuration description="Common configuration for atest's local runs with minimum overhead">
+    <log_saver class="com.android.tradefed.result.ATestFileSystemLogSaver" />
+    <include name="template/local_min_base" />
+</configuration>
diff --git a/res/config/template/local_min.xml b/res/config/template/local_min.xml
index 3a5609c..9ad2534 100644
--- a/res/config/template/local_min.xml
+++ b/res/config/template/local_min.xml
@@ -13,24 +13,8 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<!-- Common base configuration for local runs with minimum overhead. -->
-<configuration description="Common base configuration for local runs with minimum overhead">
-    <build_provider class="com.android.tradefed.build.BootstrapBuildProvider" />
-    <target_preparer class="com.android.tradefed.targetprep.PreloadedClassesPreparer">
-        <option name="disable" value="true" />
-    </target_preparer>
-
-    <template-include name="preparers" default="empty" />
-
-    <template-include name="test" default="empty" />
-
-    <logger class="com.android.tradefed.log.FileLogger">
-        <option name="log-level" value="VERBOSE" />
-        <option name="log-level-display" value="VERBOSE" />
-    </logger>
+<!-- Common configuration for local runs with minimum overhead. -->
+<configuration description="Common configuration for local runs with minimum overhead">
     <log_saver class="com.android.tradefed.result.FileSystemLogSaver" />
-    <result_reporter class="com.android.tradefed.result.ConsoleResultReporter" />
-    <result_reporter class="com.android.tradefed.result.suite.SuiteResultReporter" />
-    <template-include name="reporters" default="empty" />
-    <template-include name="metrics_collector" default="empty" />
+    <include name="template/local_min_base"/>
 </configuration>
diff --git a/res/config/template/local_min_base.xml b/res/config/template/local_min_base.xml
new file mode 100644
index 0000000..f4f33e1
--- /dev/null
+++ b/res/config/template/local_min_base.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2019 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<!-- Common base configuration for local runs with minimum overhead. -->
+<configuration description="Common base configuration for local runs with minimum overhead">
+    <build_provider class="com.android.tradefed.build.BootstrapBuildProvider" />
+
+    <template-include name="preparers" default="empty" />
+
+    <template-include name="test" default="empty" />
+
+    <logger class="com.android.tradefed.log.FileLogger">
+        <option name="log-level" value="VERBOSE" />
+        <option name="log-level-display" value="VERBOSE" />
+    </logger>
+    <result_reporter class="com.android.tradefed.result.ConsoleResultReporter" />
+    <result_reporter class="com.android.tradefed.result.suite.SuiteResultReporter" />
+    <template-include name="reporters" default="empty" />
+    <template-include name="metrics_collector" default="empty" />
+</configuration>