Tweak Dockerfile to install packages correctly

ci/docker/aarch64-linux-android/Dockerfile

@@ -26,7 +26,6 @@ RUN sh /android/android-install-sdk.sh $ANDROID_ARCH
 RUN mv /root/.android /tmp
 RUN chmod 777 -R /tmp/.android
 RUN chmod 755 /android/sdk/cmdline-tools/tools/* /android/sdk/emulator/qemu/linux-x86_64/*
-RUN ls -a /android/sdk/platform-tools
 
 ENV PATH=$PATH:/rust/bin \
     CARGO_TARGET_AARCH64_LINUX_ANDROID_LINKER=aarch64-linux-android28-clang \

ci/docker/arm-linux-androideabi/Dockerfile

@@ -26,7 +26,6 @@ RUN sh /android/android-install-sdk.sh $ANDROID_ARCH
 RUN mv /root/.android /tmp
 RUN chmod 777 -R /tmp/.android
 RUN chmod 755 /android/sdk/cmdline-tools/tools/* /android/sdk/emulator/qemu/linux-x86_64/*
-RUN ls -a /android/sdk/platform-tools
 
 ENV PATH=$PATH:/rust/bin \
     CARGO_TARGET_ARM_LINUX_ANDROIDEABI_LINKER=arm-linux-androideabi-gcc \

ci/docker/i686-linux-android/Dockerfile

@@ -1,10 +1,11 @@
 FROM ubuntu:20.04
 
-RUN dpkg --add-architecture i386 && \
-    apt-get update && \
-    apt-get install -y --no-install-recommends \
+RUN dpkg --add-architecture i386
+RUN apt-get update
+RUN apt-get install -y --no-install-recommends libc6-dev gcc
+RUN apt-get install -y --no-install-recommends \
   file \
-  curl \
+  wget \
   ca-certificates \
   python3 \
   python3-distutils \
@@ -12,15 +13,13 @@ RUN dpkg --add-architecture i386 && \
   expect \
   openjdk-8-jre \
   libstdc++6:i386 \
-  libpulse0 \
-  gcc \
-  libc6-dev
+  libpulse0
 
 WORKDIR /android/
 COPY android* /android/
 
 ENV ANDROID_ARCH=i686
-ENV PATH=$PATH:/android/ndk-$ANDROID_ARCH/bin:/android/sdk/cmdline-tools/tools:/android/sdk/cmdline-tools/platform-tools
+ENV PATH=$PATH:/android/ndk-$ANDROID_ARCH/bin:/android/sdk/cmdline-tools/tools:/android/sdk/platform-tools
 
 RUN sh /android/android-install-ndk.sh $ANDROID_ARCH
 RUN sh /android/android-install-sdk.sh $ANDROID_ARCH