implement native deleteSession method, fixes #1066 #384

Job	Run time
android api 16 on linux (r22b-linux-x86_64)	19m 5s
android main on linux (r22b-linux-x86_64)	15m 52s
android api 16 on linux (r23b-linux)	11m 58s
android main on macos (r22b-darwin-x86_64)	22m 7s
android main on macos (r23b-darwin)	16m 40s
android main on linux (r23b-linux)	9m 59s
android main on macos (r24-darwin)	16m 56s
android main on linux (r24-linux)	10m 26s
android main on macos (r25c-darwin)	14m 23s
android main on linux (r25c-linux)	9m 47s
android main on macos (r26d-darwin)	18m 44s
android main on linux (r26d-linux)	10m 24s
android api 16 on macos (r22b-darwin-x86_64)	26m 26s
build without ffmpeg-kit protocols (r22b-linux-x86_64)	5m 41s
android api 16 on macos (r23b-darwin)	22m 33s
	3h 51m 1s

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