agl-compositor: Bump SRCREV for agl-compositor

agl-compositor: Bump SRCREV for agl-compositor

Bumps agl-compositor to latest changes to include support for RBA (role
base arbitration policy) and make screenshoting debug feature a bit easier.

- e1e8c07e202ffc Added rba policy implementation
- 838efcb58cbe08 meson.build: Fix building with cross SDK
- c5d2c447df7c07 main: Add activate_by_default ini option

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
Change-Id: I6935daa51730a34dcc1bce8705409d7f6e96264b
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/25890
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-boot-test: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>