Dockerfile: update build tools in dockerfile

Use a slightly more current version of Java (jdk-11), as well as more
recent versions of Android build tools and Go.

Fixes tailscale/tailscale#8404

Signed-off-by: Will Norris <will@tailscale.com>

Dockerfile

@@ -1,11 +1,11 @@
 # This is a Dockerfile for creating a build environment for
 # tailscale-android.
 
-FROM openjdk:8-jdk
+FROM --platform=linux/amd64 eclipse-temurin:11-jdk
 
 # To enable running android tools such as aapt
 RUN apt-get update && apt-get -y upgrade
-RUN apt-get install -y lib32z1 lib32stdc++6
+RUN apt-get install -y libz1 libstdc++6 unzip
 # For Go:
 RUN apt-get -y --no-install-recommends install curl gcc
 RUN apt-get -y --no-install-recommends install ca-certificates libc6-dev git
@@ -20,15 +20,15 @@ WORKDIR $HOME
 RUN mkdir android-sdk
 ENV ANDROID_HOME $HOME/android-sdk
 WORKDIR $ANDROID_HOME
-RUN curl -O https://dl.google.com/android/repository/sdk-tools-linux-3859397.zip
+RUN curl -O https://dl.google.com/android/repository/commandlinetools-linux-9477386_latest.zip
-RUN echo '444e22ce8ca0f67353bda4b85175ed3731cae3ffa695ca18119cbacef1c1bea0  sdk-tools-linux-3859397.zip' | sha256sum -c
+RUN echo 'bd1aa17c7ef10066949c88dc6c9c8d536be27f992a1f3b5a584f9bd2ba5646a0  commandlinetools-linux-9477386_latest.zip' | sha256sum -c
-RUN unzip sdk-tools-linux-3859397.zip
+RUN mkdir cmdline-tools && unzip -d cmdline-tools/latest commandlinetools-linux-9477386_latest.zip && mv cmdline-tools/latest/cmdline-tools/* cmdline-tools/latest/
-RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager --update
+RUN echo y | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager --update
-RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager 'platforms;android-31'
+RUN echo y | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager 'platforms;android-31'
-RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager 'extras;android;m2repository'
+RUN echo y | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager 'extras;android;m2repository'
-RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager 'ndk;23.1.7779620'
+RUN echo y | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager 'ndk;23.1.7779620'
-RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager 'platform-tools'
+RUN echo y | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager 'platform-tools'
-RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager 'build-tools;28.0.3'
+RUN echo y | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager 'build-tools;33.0.2'
 
 ENV PATH $PATH:$HOME/bin:$ANDROID_HOME/platform-tools
 ENV ANDROID_SDK_ROOT /build/android-sdk
@@ -36,10 +36,11 @@ ENV ANDROID_SDK_ROOT /build/android-sdk
 # We need some version of Go new enough to support the "embed" package
 # to run "go run tailscale.com/cmd/printdep" to figure out which Tailscale Go
 # version we need later, but otherwise this toolchain isn't used:
-RUN curl -L https://go.dev/dl/go1.19.5.linux-amd64.tar.gz | tar -C /usr/local -zxv
+RUN curl -L https://go.dev/dl/go1.20.5.linux-amd64.tar.gz | tar -C /usr/local -zxv
 RUN ln -s /usr/local/go/bin/go /usr/bin
 
 RUN mkdir -p $HOME/tailscale-android
+RUN git config --global --add safe.directory $HOME/tailscale-android
 WORKDIR $HOME/tailscale-android
 
 # Preload Gradle