[Android] Support conditional test disabling based on android.os.Build values.

base/base.gyp

Index: base/base.gyp
diff --git a/base/base.gyp b/base/base.gyp
index 7408d058bf9a4a98648ba72776ed0d238d1dea40..dc484f4a4a62b0d2aa9804b29ba98c235dc7f7a3 100644
--- a/base/base.gyp
+++ b/base/base.gyp
@@ -1588,7 +1588,7 @@
           ],
           'variables': {
             'src_paths': [
-              '../base/test/android/junit/',
+              '../base/test/android/junit/src/org/chromium/base/test/shadows/ShadowMultiDex.java',
             ],
           },
           'includes': [ '../build/host_jar.gypi' ]
@@ -1607,6 +1607,7 @@
              'main_class': 'org.chromium.testing.local.JunitTestMain',
              'src_paths': [
                '../base/android/junit/',
+               '../base/test/android/junit/src/org/chromium/base/test/util/DisableIfTest.java',
              ],
            },
           'includes': [ '../build/host_jar.gypi' ],