Remove unneeded JNI registrations.

mojo/mojo_public.gypi

Index: mojo/mojo_public.gypi
diff --git a/mojo/mojo_public.gypi b/mojo/mojo_public.gypi
index 118e1f1d76faa5f7e56d30851d31360b7cc618c4..f61e5d0131823d195a24ac2113211e3bb1fbbf17 100644
--- a/mojo/mojo_public.gypi
+++ b/mojo/mojo_public.gypi
@@ -66,6 +66,16 @@
         'public/gles2/gles2_private.h',
       ],
       'conditions': [
+        ['OS=="android"', {
+          'ldflags!': [
+            # Remove default export list because this lib has different exports.
+            '-Wl,--version-script=<(android_linker_script)',
+          ],
+          'ldflags': [
+            # Don't export symbols from statically linked libraries.
+            '-Wl,--exclude-libs=ALL',
+          ],
+        }],
         ['OS=="mac"', {
           'xcode_settings': {
             # Make it a run-path dependent library.
@@ -95,6 +105,16 @@
         'public/tests/test_support_private.h',
       ],
       'conditions': [
+        ['OS=="android"', {
+          'ldflags!': [
+            # Remove default export list because this lib has different exports.
+            '-Wl,--version-script=<(android_linker_script)',
+          ],
+          'ldflags': [
+            # Don't export symbols from statically linked libraries.
+            '-Wl,--exclude-libs=ALL',
+          ],
+        }],
         ['OS=="mac"', {
           'xcode_settings': {
             # Make it a run-path dependent library.