ANDROID: Fix kselftest local testing flow.

Now that we no longer rely on copy_file, the directory structure is no
longer maintained below bazel-bin/common. Create a pkg_install rule
that installs the test to the correct place, then start from there.

Bug: 312798837
Test: run kselftest.sh
Change-Id: I4d49d25fe3a2395c184db4b2edea5ae879c30e45
Signed-off-by: HONG Yifan <elsk@google.com>

BUILD.bazel

@@ -2267,6 +2267,18 @@ pkg_filegroup(
     visibility = ["//visibility:private"],
 )
 
+pkg_install(
+    name = "kselftest_tests_x86_64_install",
+    srcs = [":kselftest_tests_x86_64_pkg_filegroup"],
+    visibility = ["//visibility:private"],
+)
+
+pkg_install(
+    name = "kselftest_tests_arm64_install",
+    srcs = [":kselftest_tests_arm64_pkg_filegroup"],
+    visibility = ["//visibility:private"],
+)
+
 pkg_zip(
     name = "tests_zip_x86_64",
     srcs = [

tools/testing/android/bin/kselftest.sh

@@ -5,7 +5,7 @@ BAZEL=tools/bazel
 BIN_DIR=common/tools/testing/android/bin
 ACLOUD=$BIN_DIR/acloudb.sh
 TRADEFED=prebuilts/tradefed/filegroups/tradefed/tradefed.sh
-TESTSDIR=bazel-bin/common/
+TESTSDIR=/tmp/kselftests
 LOG_DIR=$PWD/out/test_logs/$(date +%Y%m%d_%H%M%S)
 JDK_PATH=prebuilts/jdk/jdk11/linux-x86
 
@@ -165,10 +165,10 @@ ABI=$(adb -s $SERIAL_NUMBER shell getprop ro.product.cpu.abi)
 echo "Building kselftests according to device $SERIAL_NUMBER ro.product.cpu.abi $ABI ..."
 case $ABI in
 	arm64*)
-		$BAZEL build //common:kselftest_tests_arm64
+		$BAZEL run //common:kselftest_tests_arm64_install -- --destdir $TESTSDIR
 		;;
 	x86_64*)
-		$BAZEL build //common:kselftest_tests_x86_64
+		$BAZEL run //common:kselftest_tests_x86_64_install -- --destdir $TESTSDIR
 		;;
 	*)
 		echo "$ABI not supported"