ANDROID: Enable abs01 test case.

This test was previously disabled because it did not build against AOSP.
An upstream change to fix this build problem has since been merged.

Bug: 37950676
Test: manually ran abs01 on cuttlefish
Change-Id: Ia503ed6c08584ec975ad335f3152946616ae6c42
Signed-off-by: Alistair Strachan <astrachan@google.com>
diff --git a/gen.bp b/gen.bp
index a226e99..2ae849d 100644
--- a/gen.bp
+++ b/gen.bp
@@ -93,7 +93,6 @@
     srcs: [
         "lib/tst_safe_sysv_ipc.c",
         "lib/tst_mkfs.c",
-        "lib/tst_resource.c",
         "lib/tst_path_has_mnt_flags.c",
         "lib/tst_process_state.c",
         "lib/tst_fs_type.c",
@@ -132,6 +131,7 @@
         "lib/tst_status.c",
         "lib/tst_cpu.c",
         "lib/safe_net.c",
+        "lib/tst_resource.c",
         "lib/tst_fs_link_count.c",
         "lib/tst_module.c",
         "lib/tst_fs_has_free.c",
@@ -168,6 +168,16 @@
 }
 
 cc_test {
+    name: "ltp_abs01",
+    stem: "abs01",
+    defaults: ["ltp_test_defaults"],
+    srcs: ["testcases/misc/math/abs/abs01.c"],
+    cflags: ["-D_FORTIFY_SOURCE=2"],
+    local_include_dirs: ["include/old"],
+    static_libs: ["libltp_ltp"],
+}
+
+cc_test {
     name: "ltp_accept01",
     stem: "accept01",
     defaults: ["ltp_test_defaults"],