ci: use LP ocl-dev account for ubuntu 18.04 builds on Travis

Signed-off-by: Jacek Danecki <jacek.danecki@intel.com>

#92

Change-Id: I1ecf19664fc29f61662ffc012d2154f2ee74e715

Author: JacekDanecki

scripts/docker/Dockerfile-ubuntu-18.04-gcc-7-gen-8

@@ -3,8 +3,8 @@ MAINTAINER Jacek Danecki <jacek.danecki@intel.com>
 
 COPY neo /root/neo
 RUN apt-get -y update ; apt-get install -y --allow-unauthenticated gpg; \
-    echo "deb http://ppa.launchpad.net/intel-opencl/intel-opencl/ubuntu bionic main" >> /etc/apt/sources.list; \
-    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys B9732172C4830B8F; \
+    echo "deb http://ppa.launchpad.net/ocl-dev/intel-opencl/ubuntu bionic main" >> /etc/apt/sources.list; \
+    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C3086B78CC05B8B1; \
     apt-get -y update ; apt-get install -y --allow-unauthenticated cmake g++-7 git pkg-config ninja-build intel-igc-opencl-dev
 RUN cd /root; git clone --depth 1 https://github.com/intel/gmmlib gmmlib
 RUN mkdir /root/build; cd /root/build ; cmake -G Ninja -DBUILD_TYPE=Release -DCMAKE_BUILD_TYPE=Release \

scripts/docker/Dockerfile-ubuntu-18.04-gcc-7-gen-9

@@ -3,8 +3,8 @@ MAINTAINER Jacek Danecki <jacek.danecki@intel.com>
 
 COPY neo /root/neo
 RUN apt-get -y update ; apt-get install -y --allow-unauthenticated gpg; \
-    echo "deb http://ppa.launchpad.net/intel-opencl/intel-opencl/ubuntu bionic main" >> /etc/apt/sources.list; \
-    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys B9732172C4830B8F; \
+    echo "deb http://ppa.launchpad.net/ocl-dev/intel-opencl/ubuntu bionic main" >> /etc/apt/sources.list; \
+    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C3086B78CC05B8B1; \
     apt-get -y update ; apt-get install -y --allow-unauthenticated cmake g++-7 git pkg-config ninja-build intel-igc-opencl-dev
 RUN cd /root; git clone --depth 1 https://github.com/intel/gmmlib gmmlib
 RUN mkdir /root/build; cd /root/build ; cmake -G Ninja -DBUILD_TYPE=Release -DCMAKE_BUILD_TYPE=Release \