Make tf_cc_test compilable by default for Android

This change adjusts the build options for tf_cc_test targets so that
they can be built for Android devices by default. Many targets will
still need additional options on a per-target basis.

Android requires that executables be compiled with `-pie`.

PiperOrigin-RevId: 179729092

tensorflow/tensorflow.bzl

@@ -589,7 +589,15 @@ def tf_cc_test(name,
       name="%s%s" % (name, suffix),
       srcs=srcs + tf_binary_additional_srcs(),
       copts=tf_copts() + extra_copts,
-      linkopts=["-lpthread", "-lm"] + linkopts + _rpath_linkopts(name),
+      linkopts=select({
+        "//tensorflow:android": [
+            "-pie",
+          ],
+        "//conditions:default": [
+            "-lpthread",
+            "-lm"
+        ],
+      }) + linkopts + _rpath_linkopts(name),
       deps=deps + if_mkl(
           [
               "//third_party/mkl:intel_binary_blob",