update steps as aapt2 requirements change
@@ -259,21 +259,15 @@ The steps below are different per flavor and operating system. For cross compili
we lose the ability to quickly build just the aapt2 binary. So the Windows procedure builds the entire Sdk.
#### Unix
-1. `source build/envsetup.sh`
-2. `lunch sdk-eng`
-3. `make OUT_DIR=out-x64 LOCAL_MULTILIB=64 USE_NINJA=false aapt2`
-4. `strip out-x64/host/linux-x86/bin/aapt2`
+1. `make OUT_DIR=out-x64 LOCAL_MULTILIB=64 USE_NINJA=false aapt2`
+2. `strip out-x64/host/linux-x86/bin/aapt2`
#### Windows
-1. `source build/envsetup.sh`
-2. `lunch sdk-eng`
-3. `make PRODUCT-sdk-win_sdk USE_NINJA=false`
-4. `strip out/host/windows-x86/bin/aapt2.exe`
+1. `make PRODUCT-sdk-win_sdk USE_NINJA=false`
+2. `strip out/host/windows-x86/bin/aapt2.exe`
#### Mac
-1. `source build/envsetup.sh`
-2. `lunch sdk-eng`
-3. `make OUT_DIR=out-x64 LOCAL_MULTILIB=64 USE_NINJA=false aapt2`
+1. `make OUT_DIR=out-x64 LOCAL_MULTILIB=64 USE_NINJA=false aapt2`
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