feat: add zoom ratio API (setZoomRatio) to ICameraProvider #74

Job	Run time
Lint	1m 14s
Ubuntu \| NDK-r27c \| ndk-build \| no-ffmpeg \| 4kb	2m 19s
Ubuntu \| NDK-r29 \| cmake \| with-ffmpeg \| 16kb	3m 44s
	7m 17s

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