Add a perf test for BatteryStatsHelper
On Bramble, we get these results:
endToEnd_median: 321.983605
getStats_median: 258.134786
getStats_cached_median: 48.506614
powerCalculation_median: 51.798291
Test: Lock the device to little cores for consistency
$ ./frameworks/base/libs/hwui/tests/scripts/prep_generic.sh little
$ atest BatteryStatsPerfTests
Bug: 173446001
Change-Id: I307bcea38c7001d950de1b506c31b64f89629952
diff --git a/tests/BatteryStatsPerfTest/Android.bp b/tests/BatteryStatsPerfTest/Android.bp
new file mode 100644
index 0000000..58ccec7
--- /dev/null
+++ b/tests/BatteryStatsPerfTest/Android.bp
@@ -0,0 +1,25 @@
+// Copyright (C) 2020 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.
+
+android_test {
+ name: "BatteryStatsPerfTests",
+ srcs: ["src/**/*.java"],
+ static_libs: [
+ "androidx.test.rules",
+ "apct-perftests-utils",
+ "truth-prebuilt",
+ ],
+ platform_apis: true,
+ certificate: "platform",
+}