Fix ninja build for android.

ui/ui_unittests.gypi

Index: ui/ui_unittests.gypi
diff --git a/ui/ui_unittests.gypi b/ui/ui_unittests.gypi
index f9c9c78f60028d80fbb3438b1222d42ced8aa4e8..6c4b1b5426a83270cd6b82646248e4a586e5af5d 100644
--- a/ui/ui_unittests.gypi
+++ b/ui/ui_unittests.gypi
@@ -228,7 +228,7 @@
               'inputs': [
                 '../testing/android/AndroidManifest.xml',
                 '../testing/android/generate_native_test.py',
-                '<(PRODUCT_DIR)/lib.target/libui_unittests.so',
+                '<(SHARED_LIB_DIR)/libui_unittests.so',
                 '<(PRODUCT_DIR)/lib.java/chromium_base.jar',
               ],
               'outputs': [
@@ -237,7 +237,7 @@
               'action': [
                 '../testing/android/generate_native_test.py',
                 '--native_library',
-                '<(PRODUCT_DIR)/lib.target/libui_unittests.so',
+                '<(SHARED_LIB_DIR)/libui_unittests.so',
                 # TODO(jrg): find a better way to specify jar
                 # dependencies.  Hard coding seems fragile.
                 '--jar',
@@ -245,7 +245,7 @@
                 '--output',
                 '<(PRODUCT_DIR)/ui_unittests_apk',
                 '--ant-args',
-                '-DPRODUCT_DIR=<(PRODUCT_DIR)',
+                '-DPRODUCT_DIR=`realpath <(PRODUCT_DIR)`',
                 '--ant-compile'
               ],
             },