Auto merge of #16237 - MortimerGoro:update_glutin_offscreen, r=jdm
Auto merge of #16237 - MortimerGoro:update_glutin_offscreen, r=jdm

Fix Android issues: update servo-glutin & offscreen_gl_context

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See https://github.com/emilio/rust-offscreen-rendering-context/pull/94 and https://github.com/servo/glutin/pull/121

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