lib: vregion: lazy interim heap creation from remaining lifetime space #23414

Job	Run time
manifest-check	2m 47s
LP64-WIP	4m 10s
build-windows (mnfst, mtl)	8m 41s
build-windows (mnfst, imx8 imx8x)	10m 49s
build-windows (mnfst, tgl-h)	9m 57s
build-windows (mnfst, ptl)	9m 47s
build-windows (mnfst, lnl)	9m 48s
build-linux (mnfst, imx8m imx8ulp)	4m 57s
build-linux (mnfst, lnl)	4m 20s
build-linux (mnfst, wcl imx95)	7m 1s
build-linux (mnfst, imx8 imx8x)	5m 13s
build-linux (mnfst, tgl)	4m 15s
build-linux (-d, mnfst, lnl)	4m 26s
build-linux (mnfst, mtl)	4m 31s
build-windows (-d, mnfst, lnl)	9m 1s
build-windows (mnfst, imx8m imx8ulp)	9m 35s
build-linux (mnfst, ptl)	5m 38s
build-windows (mnfst, tgl)	8m 36s
build-linux (mnfst, tgl-h)	3m 58s
compare-linux-win	32s
	2h 8m 2s

Provide feedback