CI: use our docker image

.travis.yml

@@ -2,7 +2,7 @@ sudo: required
 services:
   - docker
 before_install:
-  - docker pull yshalsager/cyanogenmod:latest
+  - docker pull surendrajat/twrp-builder:latest
 before_script:
 - cd $HOME && mkdir twrp
 - wget -q https://github.com/TwrpBuilder/twrp-sources/releases/download/omni_twrp-5.1.1-20180211/omni_twrp-5.1.1-20180211-norepo.tar.xz
@@ -13,7 +13,7 @@ script:
   - git clone https://github.com/TwrpBuilder/device_generic_twrpbuilder.git device/generic/twrpbuilder
   - rm -rf bootable/recovery && git clone https://github.com/omnirom/android_bootable_recovery.git bootable/recovery
   - |
-    docker run --rm -i -e USER_ID=$(id -u) -e GROUP_ID=$(id -g) -v "$(pwd):/home/cmbuild/twrp/:rw,z" yshalsager/cyanogenmod bash << EOF
+    docker run --rm -i -e USER_ID=$(id -u) -e GROUP_ID=$(id -g) -v "$(pwd):/home/cmbuild/twrp/:rw,z" surendrajat/twrp-builder bash << EOF
     cd /home/cmbuild/twrp/
     source build/envsetup.sh && lunch omni_Rome-userdebug && make -j16 recoveryimage
     exit