Import L Build Tools from git_lmp-mr1-release build 1473380

http://android-build/builds/git_lmp-mr1-release-linux-sdk_x86-sdk/1473380/sdk-repo-linux-build-tools-1473380.zip

source.properties has been modified to make this appear as API 22
diff --git a/aapt b/aapt
index fd7510a..3a025da 100755
--- a/aapt
+++ b/aapt
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diff --git a/bcc_compat b/bcc_compat
index 87480a5..760986e 100755
--- a/bcc_compat
+++ b/bcc_compat
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diff --git a/dexdump b/dexdump
index 161b225..a1fa5ee 100755
--- a/dexdump
+++ b/dexdump
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diff --git a/lib/cc.so b/lib/cc.so
index b084c2d..15a7312 100644
--- a/lib/cc.so
+++ b/lib/cc.so
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diff --git a/lib/cinfo.so b/lib/cinfo.so
index d72a959..8bb6481 100644
--- a/lib/cinfo.so
+++ b/lib/cinfo.so
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diff --git a/lib/dx.jar b/lib/dx.jar
index 5680e0f..9f8885e 100644
--- a/lib/dx.jar
+++ b/lib/dx.jar
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diff --git a/libbcc.so b/libbcc.so
index b084c2d..15a7312 100755
--- a/libbcc.so
+++ b/libbcc.so
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diff --git a/libbcinfo.so b/libbcinfo.so
index d72a959..8bb6481 100755
--- a/libbcinfo.so
+++ b/libbcinfo.so
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diff --git a/llvm-rs-cc b/llvm-rs-cc
index 475ca60..bfa1637 100755
--- a/llvm-rs-cc
+++ b/llvm-rs-cc
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diff --git a/source.properties b/source.properties
index f5a9363..ed1f386 100644
--- a/source.properties
+++ b/source.properties
@@ -1,5 +1,5 @@
 Pkg.UserSrc=false
-Pkg.Revision=22.0.0
+Pkg.Revision=21.0.0
 
 Archive.Os=LINUX
 Pkg.Revision=22.0.0