Make possible to use ETC texture format with GLES3 on Android
Make possible to use ETC texture format with GLES3 on Android

Currently, textures are not exported if use ETC on project settings and export project with GLES3.
GLES3 should be able to use ETC format also.

vkbsb/godot,BastiaanOlij/godot,honix/godot,vkbsb/godot,Shockblast/godot,BastiaanOlij/godot,vnen/godot,vnen/godot,vnen/godot,Valentactive/godot,ZuBsPaCe/godot,DmitriySalnikov/godot,sanikoyes/godot,DmitriySalnikov/godot,josempans/godot,firefly2442/godot,pkowal1982/godot,vnen/godot,sanikoyes/godot,okamstudio/godot,firefly2442/godot,Zylann/godot,vnen/godot,guilhermefelipecgs/godot,josempans/godot,Faless/godot,ZuBsPaCe/godot,ex/godot,BastiaanOlij/godot,Faless/godot,MarianoGnu/godot,guilhermefelipecgs/godot,akien-mga/godot,ZuBsPaCe/godot,Zylann/godot,pkowal1982/godot,Shockblast/godot,Shockblast/godot,ex/godot,groud/godot,okamstudio/godot,ZuBsPaCe/godot,guilhermefelipecgs/godot,akien-mga/godot,pkowal1982/godot,sanikoyes/godot,godotengine/godot,Faless/godot,DmitriySalnikov/godot,sanikoyes/godot,Paulloz/godot,josempans/godot,Zylann/godot,BastiaanOlij/godot,okamstudio/godot,okamstudio/godot,DmitriySalnikov/godot,okamstudio/godot,godotengine/godot,okamstudio/godot,akien-mga/godot,sanikoyes/godot,ex/godot,josempans/godot,vkbsb/godot,godotengine/godot,firefly2442/godot,vkbsb/godot,Zylann/godot,ZuBsPaCe/godot,honix/godot,okamstudio/godot,Paulloz/godot,ex/godot,Zylann/godot,guilhermefelipecgs/godot,Shockblast/godot,pkowal1982/godot,honix/godot,MarianoGnu/godot,ZuBsPaCe/godot,sanikoyes/godot,Shockblast/godot,groud/godot,guilhermefelipecgs/godot,ex/godot,Shockblast/godot,akien-mga/godot,firefly2442/godot,pkowal1982/godot,godotengine/godot,Valentactive/godot,honix/godot,guilhermefelipecgs/godot,Faless/godot,pkowal1982/godot,Zylann/godot,firefly2442/godot,Valentactive/godot,pkowal1982/godot,Valentactive/godot,honix/godot,groud/godot,ex/godot,Paulloz/godot,Valentactive/godot,akien-mga/godot,Faless/godot,josempans/godot,vkbsb/godot,ex/godot,vkbsb/godot,MarianoGnu/godot,pkowal1982/godot,Valentactive/godot,groud/godot,BastiaanOlij/godot,josempans/godot,BastiaanOlij/godot,BastiaanOlij/godot,ex/godot,godotengine/godot,vnen/godot,MarianoGnu/godot,okamstudio/godot,akien-mga/godot,DmitriySalnikov/godot,Zylann/godot,Faless/godot,groud/godot,guilhermefelipecgs/godot,DmitriySalnikov/godot,ZuBsPaCe/godot,godotengine/godot,guilhermefelipecgs/godot,akien-mga/godot,josempans/godot,vnen/godot,Paulloz/godot,MarianoGnu/godot,Paulloz/godot,vkbsb/godot,godotengine/godot,MarianoGnu/godot,Faless/godot,josempans/godot,firefly2442/godot,okamstudio/godot,Shockblast/godot,vkbsb/godot,sanikoyes/godot,Valentactive/godot,sanikoyes/godot,Paulloz/godot,godotengine/godot,Paulloz/godot,MarianoGnu/godot,ZuBsPaCe/godot,groud/godot,BastiaanOlij/godot,okamstudio/godot,MarianoGnu/godot,Faless/godot,firefly2442/godot,Shockblast/godot,Valentactive/godot,akien-mga/godot,honix/godot,vnen/godot,firefly2442/godot,DmitriySalnikov/godot,Zylann/godot