Don't pass -v -v to scan-build

This makes the analyze build output pretty much unreadable.

If this output still is desired, it should be made optional in some
way.

Change-Id: I1a559cf4f3c42db18bb6b4d45a5d01b566520eb6
diff --git a/ndk-build b/ndk-build
index a1d8e9e..95520f5 100755
--- a/ndk-build
+++ b/ndk-build
@@ -317,7 +317,7 @@
             --use-analyzer $PROGDIR/toolchains/llvm-${DEFAULT_LLVM_VERSION}/prebuilt/$HOST_TAG/bin/${ABI}/analyzer \
             --use-cc ${TOOLCHAIN_PREFIX}gcc \
             --use-c++ ${TOOLCHAIN_PREFIX}g++ \
-            --status-bugs -v -v \
+            --status-bugs \
             $GNUMAKE -f $PROGDIR/build/core/build-local.mk "$@" APP_ABI=$ABI
     done
 else